waistcoat

US /ˈwes.kət/
UK /ˈwes.kət/
"waistcoat" picture
1.

馬甲, 背心

a sleeveless upper-body garment worn over a shirt and often under a jacket, forming part of a man's suit

:
He wore a three-piece suit with a matching waistcoat.
他穿著一套三件套西裝,配有配套的馬甲
The groom chose a silk waistcoat for his wedding day.
新郎為他的婚禮選擇了絲綢馬甲