rub outWiktionary 原文英美释义动词verb1transitiveTo delete or erase or remove (something) by rubbing, especially with a rubber (eraser).2obsoleteTo get by; to live.3(transitive, criminal slang) To kill, especially to murder.4Used other than figuratively or idiomatically: see rub, out.同族词派生词 2rubout·rub one out