| 例句 |
back outverb to break a promise or agreementshe backed out on her offer to help with the wedding planning back down, back off, cop out, fink out, renege chicken (out), wimp outbackpedal, backtrackabjure, abnegate, disavow, forswear(also foreswear), recall, recant, repudiate, retract, take back, unsay, withdrawbeg off, cry off(chiefly British) go back on adhere (to), follow through (with)comply (with), fulfill(or fulfil), honor, keep, satisfy in 1801 |