vt. annul宣告…無效。
△3H.VI.2.1.174:“And now to London all the crew are gone / To frus-trate both his oath and what beside”. 現(xiàn)在這 一幫人全都去了倫敦，要把他的誓言和其他一切都宣布無效。
frustrate[fr?s?treit]
v. 阻止，妨礙，挫敗 adj.受挫的，失敗的
◇ be frustrated in 失敗
‖ frustrate of contract 合同受挫
frustrate plans for aggression 挫敗侵略計(jì)劃
frustrate psychology 挫折心理
frustration n. 挫敗，挫折
frustration-aggression hypothesis 挫折與攻擊假設(shè)
frustration reading level 挫折閱讀水平
frustration theory 挫折理論
frustration threshold 挫折閾限
frustration tolerance 挫折忍受力