爱玩
8.Frolicsome students celebrated their graduation with parties and practical jokes.

9.Temperament... Well behaved. adaptable. and comfortable companions with an affectionate nature and even disposition. generally active. alert. and playful. but not unduly boisterous.
10.The children could play as long as they liked, they had no owrk to do, and nobody scolded them, in short, they were happy.

