2 sentences for 乐于 (lè​yú — take pleasure in)

1. 她非常乐于从事科学研究工作。

   tā fēi​cháng lè​yú cóng​shì kē​xué yán​jiū gōng​zuò.

   She is very happy to engage in scientific research.

   Source: Dong Chinese Dictionary

2. 只要是有道理的建议，他都乐于从之。

   zhǐ​yào shì yǒu dào​li de jiàn​yì, tā dōu lè​yú cóng zhī.

   He is happy to follow any suggestion that makes sense.

   Source: Dong Chinese Dictionary