strength·en /ˈstrɛŋ(k)θən, ˈstrɛn(t)-/
 (vt.)加強,變堅固(vi.)變強,股票上漲


 Strength·en v. t. [imp. & p. p. Strengthened p. pr. & vb. n. Strengthening.]
 1. To make strong or stronger; to add strength to; as, to strengthen a limb, a bridge, an army; to strengthen an obligation; to strengthen authority.
 Let noble Warwick, Cobham, and the rest, . . .
 With powerful policy strengthen themselves.   --Shak.
 2. To animate; to encourage; to fix in resolution.
    Charge Joshua, and encourage him, and strengthen him.   --Deut. iii. 28.
 Syn: -- To invigorate; confirm; establish; fortify; animate; encourage.


 Strength·en v. i. To grow strong or stronger.
 The young disease, that must subdue at length,
 Grows with his growth, and strengthens with his strength.   --Pope.

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 strengthen
      v 1: make strong or stronger; "This exercise will strengthen your
           upper body"; "strenghten the relations between the two
           countries" [syn: beef up, fortify] [ant: weaken]
      2: gain strength; "His body strengthened" [ant: weaken]
      3: give a healthy elasticity to; "Let's tone our muscles" [syn:
          tone, tone up]