Correct

偷情

/ tōuqíng / 
Strokes

Definition

to carry on a clandestine love affair

Example

As a Verb

have illicit relations with (a man/woman); carry on a clandestine love affair

1
Gēn
跟
mǒurén
某人
tōuqíng
偷情

have a secret love affair with sb