You're not allowed to look at the answers—that's cheating.
He’s cheating on his wife.
He cheats at cards.
2.fool v.愚弄，玩弄，欺骗某人达到自己的目的 n.傻蛋，被骗的人
Don't be such a fool!
He told me he was an actor and I was fool enough to believe him.
You can't/don't fool me!
Her husband had been deceiving her for years.
固定搭配:deceive somebody into doing something
She deceived him into handing over all his savings.
She betrayed his trust over and over again.
I can't believe you betrayed me.
5.take somebody in 欺骗，蒙骗某人
I was taken in by her story.
Don't be taken in by his charm--he's ruthless.
They had been conned out of £100,000.
They soon realized they had been duped.
He was duped into giving them his credit card.