bié​ren​qiān​lǘ​nǐ​bá​jué​zi

to take the blame for others' crimes

别人牵驴你拔橛子 別人牽驢你拔橛子 bié​ren​qiān​lǘ​nǐ​bá​jué​zi
to take the blame for others' crimes
Literally "someone else stole the donkey and you just pulled up the stake"; used to describe being blamed for a crime or mistake while the main culprit gets away or is less punished less.