He is very popular . He likes to play jokes on people around him .
他很受人喜欢。他经常与周围的人开玩笑。
I can never play jokes on people because I can 't keep a straight face .
我从来不能和人开玩笑，因为我不能保持严肃的表情。
During saturnalia a roman winter celebration participants would dance drink and play jokes on each other ; slaves pretended to rule their masters and a mock king the lord of misrule reigned for a day .