I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
疯狂英语特别拿手好戏卡
第 17 部分
📚 句中词汇解析
从本句中提取的重要词汇
adj. 徒劳的;自负的;无结果的;无用的;
💡 vain(empty)→无效的；空虚的
"She's just a vain, foolish woman."
她不过是个愚蠢自负的女人。
近义：immodest, infatuated, inflated, insolent, arrogant, assuming
反义：low, lowly, meek, mild, modest, unassuming
adj. 害怕的;担心的;恐怕;畏惧，害怕;
💡 词根af-向，词缀raid打、袭击，“担心挨打
"It's all over. There's nothing to be afraid of now."
一切都结束了。现在没有什么可怕的了。
近义：apprehensive, intimidated, nervous, awed, awestricken, awestruck
反义：intrepid, mettlesome, nervy, audacious, plucky, rash