each other

劍橋詞典

used to show that each person in a group of two or more people does something to the others
互相
They kept looking at each other and smiling . 他們一直微笑著看著對方。
They're always wearing each other's clothes . 他們總是換著衣服穿。
Why are you always arguing with each other? 你倆為什么老是吵個不休？
They're so happy together - they were made for each other (= are perfectly matched ). 他們在一起那么幸?！媸翘焐囊粚?。

例句

• The two companies are in competition with each other.
• Children can be very cruel to each other.
• It was one of those parties where nobody really knew each other.
• The boys were splashing about and ducking each other in the pool .
• Rachel and Fi have had a big argument and now they're not speaking to each other.
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