Correct

轧姘头

/ yà pīntou /
Strokes

Example

As a Verb

(of a married man or woman) have an affair; knock/fool/mess about

1
huái
怀疑
zhàngfu
丈夫
zài
wàimiàn
外面
pīntou
轧姘头
  

She suspected her husband of keeping a mistress.