Definition
Used to warn someone that their current happiness or satisfaction may be short-lived, and they will soon experience disappointment or a negative outcome.
得意得太早，屈時就笑不出來了
He's very excited about his new job now, but he'll be laughing on the other side of his face when he finds out about the long hours.
他現在對新工作非常興奮，但當他發現要長時間工作時，他就笑不出來了。
They're all very happy about winning the game now, but they'll be laughing on the other side of their faces when they find out they have to face the strongest team in the final.
他們現在對贏得比賽非常高興，但當他們發現要在決賽中面對最強的隊伍時，他們就笑不出來了。
She’s enjoying that bonus now, but she'll be laughing on the other side of her face when she finds out she has to pay a large amount in taxes.
她現在很享受那份獎金，但當她發現要支付一大筆稅款時，她就笑不出來了。