单词	harden
释义	hard·en (härdn) v. hard·ened, hard·en·ing, hard·ens v.tr. 1. To make hard or harder: harden steel. 2. To enable to withstand physical or mental hardship: was hardened by years of working as a farmer. 3. To make unfeeling, unsympathetic, or callous: The betrayal hardened his heart against intimacy. 4. To make fixed, settled, or less subject to change: "The incident only hardened existing attitudes while vanquishing any hope of collaboration" (Philip Dray). 5. To make less vulnerable to attack by surrounding with earth or concrete: harden missile silos. v.intr. 1. To become hard or harder. 2. To become fixed, settled, or less subject to change: "Her early skepticism has hardened into cynicism" (Kelly Braffet). 3. To become inured. 4. To take on a disapproving or severe appearance: His face hardened with suspicion. 5. To rise and become stable. Used of prices. Synonyms: harden, acclimate, acclimatize, season, toughen These verbs mean to make resistant to hardship, especially through continued exposure: was hardened to frontier life; is acclimated to the tropical heat; was acclimatized by long hours to overwork; became seasoned to life in prison; has become toughened by adversity.
随便看	ameliorable ameliorate amelioration ameliorative ameliorator amen Amen Amen amenability amenable amenableness amenably amen cadence amen corner amend amendable amendatory amender amendment amends Amenhotep III Amenhotep IV Amenhotep IV amenity Amenophis III

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