背心

我找不到我三件套的背心。

I can't find the waistcoat of my three piece suit.

他脱了背心。

他脫了背心。

He took off the wife-beater.

背心反了， 要翻一個面。

You need to reverse your vest, it's back to front.

你的背心前后反了，得翻过来。

你的背心前後反了，得翻過來。

You need to reverse your vest, it's back to front.

你的背心里外反了，来翻出来。

你的背心裏外反了，來翻出來。

You need to reverse your vest. It's inside-out!