doubled
 (v.)(vbl.)兩倍,快步走,加倍努力


 Dou·ble, v. t. [imp. & p. p. Doubled p. pr. & vb. n. Doubling ]
 1. To increase by adding an equal number, quantity, length, value, or the like; multiply by two; as, to double a sum of money; to double a number, or length.
    Double six thousand, and then treble that.   --Shak.
 2. To make of two thicknesses or folds by turning or bending together in the middle; to fold one part upon another part of; as, to double the leaf of a book, and the like; to clinch, as the fist; -- often followed by up; as, to double up a sheet of paper or cloth.
 Then the old man
 Was wroth, and doubled up his hands.   --Tennyson.
 3. To be the double of; to exceed by twofold; to contain or be worth twice as much as.
 Thus reënforced, against the adverse fleet,
 Still doubling ours, brave Rupert leads the way.   --Dryden.
 4. To pass around or by; to march or sail round, so as to reverse the direction of motion.
    Sailing along the coast, the doubled the promontory of Carthage.   --Knolles.
 5. Mil. To unite, as ranks or files, so as to form one from each two.


 doubled
      adj 1: twice as great or many; "ate a double portion"; "the dose is
             doubled"; "a twofold increase" [syn: double, twofold]
      2: folded in two; "doubled sheets of paper"