each other pronoun
Learner's definition of EACH OTHER
: each of two or more people, animals, etc., who are doing something together or in relationship to the other or others in the group互相;彼此 -
My brother and I looked at each other. [=we looked at one another; he looked at me and I looked at him]我和我哥哥互相看着对方。
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The twins can wear each other's clothes. [=each one can wear the other's clothes]这对双胞胎可以互相换衣服穿。
made for each other
— see 2made