| 例句 |
toughenverb to increase the ability of (as a muscle) to exert physical forceweight lifting will help toughen those flabby muscles of yours beef (up), fortify, harden, strengthen anneal, temperfirm (up), tone (up)energize, invigorate, vitalizerestrengthen debilitate, enervate, enfeeble, weaken cripple, incapacitate, paralyzedamage, harm, hurt, impair, injurebreak down, wear outsap, undercut, undermine to make able to withstand physical hardship, strain, or exposurehiking every morning through snow and ice toughened him considerably fortify, harden, indurate, inure, season, steel, strengthen acclimate, acclimatize, adapt, adjustanneal, temperinvigorate, vitalizeimmunizebolster, boost, brace, buttress, enforce, forearm, prop (up), reinforce(also reenforce), supportbreak in, limber (up), trainaccustom, condition, habituate, naturalize soften emasculate, enervate, enfeeble, exhaust, sap, weakencripple, debilitate, hamstring, incapacitatesensitize to make more harsh, uncompromising, or severeattempts to toughen conditions under which waivers from military service would be permitted harden, harshen, stiffen, strengthen ameliorate, ease lessen, moderate, soften in 1582 |