3 sentences for 乐 (lè — laugh)

1. 他听完笑话后呵地乐了一声。

   tā tīng wán xiào​hua hòu hē de lè le yī shēng.

   He let out a chuckle after hearing the joke.

   Source: Dong Chinese Dictionary

2. 让他乐一乐吧。

   ràng tā lè yī lè ba.

   Let him have some fun.

   Source: OpenSubtitles

3. 你乐什么呢？这个故事有那么好笑吗？

   nǐ lè shén​me ne? zhè​ge gù​shi yǒu nà​me hǎo​xiào ma?

   What are you laughing at? Is this story that funny?

   Source: Dong Chinese Dictionary