fun/ f^n /

1.noun [u] 
乐趣

to have fun
玩得开心
to get a lot of fun out of sth
从某事中得到许多乐趣
he's good fun (to be with)
跟他(在一起)很有趣
it was a lot of fun
非常开心
it's not much fun
没什么劲儿
to do sth for fun
为找乐而做某事
to do sth in fun
开玩笑地做某事
to make fun of sb/sth
取笑某人/某物