faith·ful /ˈfeθfəl/
  (a.)守信的,忠實的;如實的,可靠的
  Faith·ful a.
  1. Full of faith, or having faith; disposed to believe, especially in the declarations and promises of God.
     You are not faithful, sir.   --B. Jonson.
  2. Firm in adherence to promises, oaths, contracts, treaties, or other engagements.
     The faithful God, which keepeth covenant and mercy with them that love him.   --Deut. vii. 9.
  3. True and constant in affection or allegiance to a person to whom one is bound by a vow, by ties of love, gratitude, or honor, as to a husband, a prince, a friend; firm in the observance of duty; loyal; of true fidelity; as, a faithful husband or servant.
  So spake the seraph Abdiel, faithful found,
  Among the faithless, faithful only he.   --Milton.
  4. Worthy of confidence and belief; conformable to truth ot fact; exact; accurate; as, a faithful narrative or representation.
     It is a faithful saying.   --2 Tim. ii. 11.
  The Faithful, the adherents of any system of religious belief; esp. used as an epithet of the followers of Mohammed.
  Syn: -- Trusty; honest; upright; sincere; veracious; trustworthy.
  -- Faith*ful*ly, adv. -Faith*ful*ness, n.
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  faithful
       adj 1: steadfast in affection or allegiance; "years of faithful
              service"; "faithful employees"; "we do not doubt that
              England has a faithful patriot in the Lord Chancellor"
              [ant: unfaithful]
       2: marked by fidelity to an original; "a close translation"; "a
          faithful copy of the portrait"; "a faithful rendering of
          the observed facts" [syn: close]
       3: not having sexual relations with anyone except your husband
          or wife, or your boyfriend or girlfriend; "he remained
          faithful to his wife" [ant: unfaithful]
       n 1: any loyal and steadfast following
       2: a group of people who adhere to a common faith and
          habitually attend a given church [syn: congregation, fold]
  Faithful
     as a designation of Christians, means full of faith, trustful,
     and not simply trustworthy (Acts 10:45; 16:1; 2 Cor. 6:15; Col.
     1:2; 1 Tim. 4:3, 12; 5:16; 6:2; Titus 1:6; Eph. 1:1; 1 Cor.
     4:17, etc.).
       It is used also of God's word or covenant as true and to be
     trusted (Ps. 119:86, 138; Isa. 25:1; 1 Tim. 1:15; Rev. 21:5;
     22:6, etc.).