hard·en /ˈhɑrdṇ/
 (vt.)使變硬,使堅強,使冷酷(vi.)變硬,變冷酷,漲停
 Hard·en v. t. [imp. & p. p. Hardened p. pr. & vb. n. Hardening ]
 1. To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron.
 2. To accustom by labor or suffering to endure with constancy; to strengthen; to stiffen; to inure; also, to confirm in wickedness or shame; to make unimpressionable. “Harden not your heart.”
    I would harden myself in sorrow.   --Job vi. 10.
 Hard·en, v. i.
 1. To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying.
    The deliberate judgment of those who knew him [A. Lincoln] has hardened into tradition.   --The Century.
 2. To become confirmed or strengthened, in either a good or a bad sense.
    They, hardened more by what might most reclaim.   --Milton.
 ◄ ►
 harden
      v 1: become hard or harder; "The wax hardened" [syn: indurate]
           [ant: soften]
      2: make hard or harder; "The cold hardened the butter" [syn: indurate]
         [ant: soften]
      3: harden by reheating and cooling in oil; "temper steel" [syn:
          temper]
      4: make fit; "This trip will season even the hardiest
         traveller" [syn: season]
      5: cause to accept or become hardened to; habituate; "He was
         inured to the cold" [syn: inure, indurate]