She was wearing a tight pair of jeans.

她穿着一条紧身牛仔裤。

《牛津词典》

This denim work shirt is as great with a pair of jeans as it is with a tie on casual Fridays.

休闲星期五穿这件丁尼布工作衫配牛仔裤与穿工作衫配领带一样好。

《柯林斯英汉双解大词典》

I bought two T-shirts and a pair of jeans.

我买了两件T恤，一条牛仔裤。

youdao

As you would say, it's like pair of skinny jeans, a pair of brogues, I don't know, a T-shirt,

这打扮就是一条紧身牛仔裤，一双皮鞋，大概还有一件T恤，

街头时尚的精髓 - SpeakingMax英语口语达人

You don't stay in business with a customer who only wants one pair of jeans.

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"I've been wearing the same pair of jeans all week and no one cares!"

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This form factor would fit easily into a shirt breast pocket or the front pocket of a pair of jeans.

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