英语词汇weak at the knees怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	weak at the knees
释义	weak at the knees (informal) hardly able to stand because of emotion, fear, illness, etc.（因激动、恐惧、疾病等）两腿发软 His sudden smile made her go weak at the knees.他突然笑了笑，使得她两膝发软。 See also knee \| weak
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