someone is amused easily

　　就是控制不住想要笑

　　I feel I have an uncontrollable urge to laugh !

　　没get到笑点时：

　　What's so funny, I don't get it.

　　幽默的人：

　　humorous

　　hilarious

　　entertaining

　　too funny for words

　　M: Will you use "your haha point is low"？

　　你们会用这个句子吗？

　　Z: We say hahaha point often when we agree with something someone has said and its funny, I've used it quite often.

　　通常在我们同意某件事情，或者是某个人说的话很有趣，就会用到hahaha point，我就经常用。