waistcoat发音：[ˈweɪskəʊt] 美 [ˈweskət]

waistcoat作可数名词，释义：背心;马甲

例句：

He searched his waistcoat, found a purse and pocketed it.

翻译为：他搜了他的背心，找到一个钱包，把它装进了口袋。

这里的waistcoat表示背心。

He had taken in his hand the roll of silver which was in the pocket of his waistcoat.

他手里拿着马甲口袋里的一卷银币。

这里的waistcoat作表示马甲。

同义词：vest n. 背心