You have to take this seriously. You're playing with people's lives!你必须认真对待这件事。你正在拿人们的性命当儿戏！They are playing political games with people's safety.他们简直是拿人们的安全玩政治游戏。He had a penchant for playing jokes on people.他喜欢拿人开玩笑。He's always playing jokes on people.他老是拿人开玩笑。