to cheat on
[phrase form: cheat]
01
出轨
to have a secret romantic or sexual relationship with someone other than one's own partner
例子
She discovered that her partner had cheated on her with a co-worker.
她发现她的伴侣与一位同事出轨了。
The rumors about him cheating on his wife turned out to be true.
关于他出轨妻子的谣言原来是真的。
