Thrown under the bus

[Dawei3]

Does Chinese have an idiomatic phrase equivalent to this?  

[Jim]

There's a chess one that's sort of close, 弃卒保车: https://baike.baidu.com/item/弃卒保车/7430454 Not sure it has quite the same nuances

[歐博思]

I've heard 拖進水to describe pulling somebody into a mess with you. If it's just them getting run over, maybe 把誰推進水裡 could be pretty understandable by Chinese people.

[Leslie Frank]

嫁祸于人 means to pass the blame onto somebody else to save your own skin, or some such thing...