1. The married man is having an affair at work.2. The thief turned over a new leaf and no longer steals.3. The company has been conducting unscrupulous businesses and made a huge profit from them. Finally they got busted and their managers went to jail.
 have an affair steal conduct unscrupulous business do things secretly偷雞摸狗有以下的意思:have an affair = 出軌steal = 偷竊conduct unscrupulous business = 從事不正當的勾當do things secretly = 偷偷的做某事
Team A's defeat over Team B is considered the biggest unerdog victory in basketball history.