play away from home
在自己的領域之外或陌生的環境中進行活動或比賽
口語·指婚外情
英文釋義
to have a romantic or sexual relationship with someone other than one's partner while away from home
例句
He was caught playing away from home while on a business trip.
典故來源
源自體育術語,指在客場進行比賽,后引申為在異地或陌生環境中進行不忠行為。