cheat on

US /tʃiːt ɑːn/
UK /tʃiːt ɑːn/
"cheat on" picture
1.

出轨, 背叛

to be unfaithful to one's spouse or partner

:
He confessed to his wife that he had cheated on her.
他向妻子坦白他出轨了
She suspected her boyfriend was cheating on her.
她怀疑她的男朋友出轨了
2.

作弊, 抄袭

to copy from someone else or use dishonest methods to pass an exam or test

:
The student was caught cheating on the exam.
这名学生在考试中被抓到作弊
It's not fair to cheat on your homework.
抄袭作业是不公平的。