on the rag

基本解释

There on the floor were rag rugs Ellen had dyed and woven herself.
地板上那条百纳地毯是艾伦亲手染了织成的。
You will never kneel on the floor with a rag wiping the toilet;
你们永远不会用抹布跪在地上擦厕所；

By focusing only on the rag trade, Mr Clinton seemed to turn a blind eye to the conditions endured by (largely illegal) immigrants in businesses such as restaurants and retailing.
ECONOMIST: Modern slavery
Goldman Sachs has a long history in lower Manhattan, from Marcus Goldman providing short-term financing to the nineteenth-century rag trade on the Lower East Side to signs carried around the present occupation of a park at Broadway and Cedar Street.
FORBES: Don't Blame Goldman Sachs For Hedging Its Bets And Staying In Business
Mr Lichtenstein reflected that you could hang a rag on the wall of a gallery and it would be taken seriously as a work of art.
ECONOMIST: Roy Lichtenstein