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及物动词
1. 偶然听到;无意中听到;偷听到If you overhear someone, you hear what they are saying when they are not talking to you and they do not know that you are listening.
1. hear, usually without the knowledge of the speakers
e.g. We overheard the conversation at the next table
Synonym: catchtake in
多通过句子记忆单词,而不是单独死记硬背。