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更新日期:2026-08-14
pin sb down to使某人信守(诺言、合同等): Once a promise is made,one should always keep it,if he does not,we should help him and pin him down to it.一旦作出诺言,就应当永远遵守,如果有人不去遵守,我们就应当帮助他,使他遵守。