瞠目结舌
Stare tongue-tied.
Stunned and speechless.
To be dumb-founded.
eg：The accused was struck dumb by all those questions the judge asked.
同义词：目瞪口呆 Lose one's tongue.
反义词：巧舌如簧 Wag one's tongue.
热门TAG：词汇分类记忆法 英语单词分类 单词分类背诵 中英成语俚语
