strain /ˈstren/
 (vt.)拉緊,繃緊;損傷,扭傷;緊張,勉強(vi.)儘力,使勁U拉緊,張力,應變;緊張


 strain /ˈstren/ 名詞
 勞損,濾過,肌牽張過度,運動過度,株,系,過勞,肌用力過度,特種,品系,菌株,菌種,扭傷,滲出,被過濾


 strain
 應變


 Strain v. i.
 1. To make violent efforts. “Straining with too weak a wing.”
    To build his fortune I will strain a little.   --Shak.
 2. To percolate; to be filtered; as, water straining through a sandy soil.


 Strain, n.
 1. The act of straining, or the state of being strained. Specifically: --
 (a) A violent effort; an excessive and hurtful exertion or tension, as of the muscles; as, he lifted the weight with a strain; the strain upon a ship's rigging in a gale; also, the hurt or injury resulting; a sprain.
    Whether any poet of our country since Shakespeare has exerted a greater variety of powers with less strain and less ostentation.   --Landor.
    Credit is gained by custom, and seldom recovers a strain.   --Sir W. Temple.
 (b) Mech. Physics A change of form or dimensions of a solid or liquid mass, produced by a stress.
 2. Mus. A portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
    Their heavenly harps a lower strain began.   --Dryden.
 3. Any sustained note or movement; a song; a distinct portion of an ode or other poem; also, the pervading note, or burden, of a song, poem, oration, book, etc.; theme; motive; manner; style; also, a course of action or conduct; as, he spoke in a noble strain; there was a strain of woe in his story; a strain of trickery appears in his career. “A strain of gallantry.”
    Such take too high a strain at first.   --Bacon.
    The genius and strain of the book of Proverbs.   --Tillotson.
 It [Pilgrim's Progress] seems a novelty, and yet contains
 Nothing but sound and honest gospel strains.   --Bunyan.
 4. Turn; tendency; inborn disposition.  Cf. 1st Strain.
    Because heretics have a strain of madness, he applied her with some corporal chastisements.   --Hayward.

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 Strain n.
 1. Race; stock; generation; descent; family.
    He is of a noble strain.   --Shak.
    With animals and plants a cross between different varieties, or between individuals of the same variety but of another strain, gives vigor and fertility to the offspring.   --Darwin.
 2. Hereditary character, quality, or disposition.
    Intemperance and lust breed diseases, which, propogated, spoil the strain of nation.   --Tillotson.
 3. Rank; a sort. “The common strain.”
 4. Hort. A cultural subvariety that is only slightly differentiated.


 Strain, v. t. [imp. & p. p. Strained p. pr. & vb. n. Straining.]
 1. To draw with force; to extend with great effort; to stretch; as, to strain a rope; to strain the shrouds of a ship; to strain the cords of a musical instrument. “To strain his fetters with a stricter care.”
 2. Mech. To act upon, in any way, so as to cause change of form or volume, as forces on a beam to bend it.
 3. To exert to the utmost; to ply vigorously.
 He sweats,
 Strains his young nerves.   --Shak.
 They strain their warbling throats
 To welcome in the spring.   --Dryden.
 4. To stretch beyond its proper limit; to do violence to, in the matter of intent or meaning; as, to strain the law in order to convict an accused person.
    There can be no other meaning in this expression, however some may pretend to strain it.   --Swift.
 5. To injure by drawing, stretching, or the exertion of force; as, the gale strained the timbers of the ship.
 6. To injure in the muscles or joints by causing to make too strong an effort; to harm by overexertion; to sprain; as, to strain a horse by overloading; to strain the wrist; to strain a muscle.
 Prudes decayed about may track,
 Strain their necks with looking back.   --Swift.
 7. To squeeze; to press closely.
 Evander with a close embrace
 Strained his departing friend.   --Dryden.
 8. To make uneasy or unnatural; to produce with apparent effort; to force; to constrain.
 He talks and plays with Fatima, but his mirth
 Is forced and strained.   --Denham.
    The quality of mercy is not strained.   --Shak.
 9. To urge with importunity; to press; as, to strain a petition or invitation.
    Note, if your lady strain his entertainment.   --Shak.
 10. To press, or cause to pass, through a strainer, as through a screen, a cloth, or some porous substance; to purify, or separate from extraneous or solid matter, by filtration; to filter; as, to strain milk through cloth.
 To strain a point, to make a special effort; especially, to do a degree of violence to some principle or to one's own feelings.
 To strain courtesy, to go beyond what courtesy requires; to insist somewhat too much upon the precedence of others; -- often used ironically. --Shak.


 strain
      n 1: (physics) deformation of a physical body under the action of
           applied forces
      2: difficulty that causes worry or emotional tension; "she
         endured the stresses and strains of life"; "he presided
         over the economy during the period of the greatest stress
         and danger"- R.J.Samuelson [syn: stress]
      3: a succession of notes forming a distinctive sequence; "she
         was humming an air from Beethoven" [syn: tune, melody,
          air, melodic line, line, melodic phrase]
      4: (psychology) nervousness resulting from mental stress; "his
         responsibilities were a constant strain"; "the mental
         strain of staying alert hour after hour was too much for
         him" [syn: mental strain, nervous strain]
      5: a special variety of domesticated animals within a species;
         "he experimented on a particular breed of white rats"; "he
         created a new strain of sheep" [syn: breed, stock]
      6: (biology) a group of organisms within a species that differ
         in trivial ways from similar groups; "a new strain of
         microorganisms" [syn: form, variant, var.]
      7: a lineage or race of people [syn: breed]
      8: injury to a muscle (often caused by overuse); results in
         swelling and pain
      9: pervading note of an utterance; "I could follow the general
         tenor of his argument" [syn: tenor]
      10: an effortful attempt to attain a goal [syn: striving, nisus,
           pains]
      11: an intense or violent exertion [syn: straining]
      12: the act of singing; "with a shout and a song they marched up
          to the gates" [syn: song]
      v 1: to exert much effort or energy; "straining our ears to hear"
           [syn: strive, reach]
      2: test the limits of; "You are trying my patience!" [syn: try,
          stress]
      3: use to the utmost; exert vigorously or to full capacity; "He
         really extended himself when he climbed Kilimanjaro";
         "Don't strain your mind too much" [syn: extend]
      4: separate by passing through a sieve or other straining
         device to separate out coarser elements; "sift the flour"
         [syn: sift, sieve]
      5: make tense and uneasy or nervous or anxious; [syn: tense,
         tense up] [ant: relax, relax]
      6: stretch or force to the limit; "strain the rope" [syn: tense]
      7: remove by passing through a filter; "filter out the
         impurities" [syn: filter, filtrate, separate out, {filter
         out]
      8: rub through a strainer or process in an electric blender;
         "puree the vegetables for the baby" [syn: puree]
      9: alter the shape of (something) by stress; "His body was
         deformed by leprosy" [syn: deform, distort]