A doormat is a mat by a door which people can wipe their shoes on when they enter a house or building.
N-COUNT
受氣包;逆來順受的可憐蟲
If you say that someone is a doormat, you are criticizing them because they let other people treat them badly, and do not complain or defend themselves when they are being treated unfairly.
例句
If you always give in to others you will end up feeling like a doormat.如果你總是屈服于人，你最終會覺得自己像一個受氣包。