He put on a pair of boxer shorts and a vest.

他穿上一条平腿短裤和一件背心。

《柯林斯英汉双解大词典》

A vest can keep you warm.

一件背心可以帮你保暖。

youdao

Let's make a vest.

让我们做一件背心吧。

youdao

You can do a better job of bluffing if you hold your cards close to your vest.

VOA: special.2009.11.22

A special vibrating vest worn by the driver provides information about the vehicle's speed.

VOA: special.2009.11.03

An unexploded suicide bomb vest was found at a third location, a disco club.

VOA: special.2010.07.17

He wore black jeans, sneakers without socks, and a vest over a white T-shirt.

NEWYORKER: Atomic Clock

To model these connections, the Spanish team built a vest with 70 electrical points.

WSJ: Science Fiction Comes Alive as Researchers Grow Organs in Lab

Shannyn found a way to zip all of me into a vest and a parka.

WSJ: Learning to Fly Fish��And Fend Off the Grizzlies | Traveler's Tale