雅思口語(yǔ)天天練：英語(yǔ)中的中國(guó)成語(yǔ)
于事無(wú)補(bǔ)be of little avail;
寸步不離 keep...at one's elbow;
大刀闊斧go the whole hog;
大功告成come off with honors/bring home the bacon;
大同小異 be much of muchness/be alike with minor difference;
大言不慚blow one's own trumpet/talk big
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