frustrativeadj.frustrate的变形：frustrate[frʌs'treit]vt.使(计划、努力等)无效；使毫无结果；抵制；破坏；抵消；取消：to frustrate plans取消计划挫败，使受挫，使(某人)失败，使灰心：to frustrate an opponent挫败对手vi.受挫，失败，灰心丧气adj.受挫的，受阻的；使失败的无效的；无益的近义词:baffle.balk.foil.thwart变形：：vt.frustrated.frustrating英英释义： frustr