也是三件套西装（裤子、上衣和背心）之中的礼服背心。

A tree-piece suit consists of trousers, jacket and waistcoat. MADE IN CHINA.

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穿上长礼服，白背心。

Put a tux on, wearing a white waistcoat.

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他上楼去穿上晚礼服的上衣和背心。下楼来时，只见他那晚礼服上衣和背心露出法兰绒衬衫的前襟和衣领，样子看起来很怪。衣服太肥了。

He went upstairs and put on the coat and vest Coming down, he looked strange in a flannel collar and a flannel shirt - front, with an evening coat and vest it was rather large.

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