to look carefully or with difficulty:
When no one answered the door, she peered through the window to see if anyone was there.
The driver was peering into the distance trying to read the road sign.
[usually pl.] a person who is the same age or who has the same social status as you 身份（或地位）相同的人；同龄人；同辈
She enjoys the respect of her peers.
她受到同侪的尊敬。
Children are worried about failing in front of their peers.
儿童都怕在同伴面前失败。
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Peer pressure is strong among young people (= they want to be like other people of the same age).
年轻人受到强大的同辈压力。