throw someone under the bus

US /θroʊ ˈsʌm.wʌn ˈʌn.dər ðə bʌs/
UK /θroʊ ˈsʌm.wʌn ˈʌn.dər ðə bʌs/
"throw someone under the bus" picture
1.

牺牲某人, 出卖某人, 推卸责任给某人

to betray or sacrifice someone, especially to save oneself from blame or difficulty

:
He decided to throw his colleague under the bus to avoid getting fired.
他决定牺牲他的同事以避免被解雇。
I can't believe she would throw me under the bus like that.
我不敢相信她会那样出卖我