cheat oncheat on1.■对…不忠实It is rumored that he cheats on his wife.据传他对他老婆不忠。2.■作弊The newly-appointed mayor was accused of cheating on his income tax.新任市长被指控在所得税上逃税。
cheat on1.■(在男女关系上)不忠实，不忠于(妻子或丈夫)：He was cheating on his wife.他瞒着妻子在外面搞女人。
见:cheat: cheat on