2informalTREAT/BEHAVE TOWARDS someone who lets other people treat them badly and never complains 逆来顺受的人,出气筒,受气包
Don’t let him treat you like a doormat.
别让他把你当出气筒来欺负。
Examples from the Corpus
doormat• If you hadn't been a doormat you wouldn't have been trodden on - that's what doormats are for.• Make sure he doesn't treat you like a doormat.• A doormat for that bullying old harridan to wipe her feet on.• In a matter of seconds, I went from being the classdoormat to class hero.• There was a letter on the frontdoormatbearing his name, manually typed.• Fiona was determined that she would be nobody's doormat.• Let him realise one thing: she might be poor, but she was nobody's doormat!• The key is under the doormat.
treat ... like a doormat• You can't force him to act responsibly but you can make sure he doesn't treat you like a doormat.