Correct

乐于

/ lèyú / 
Strokes

Definition

willing (to do sth)/to take pleasure in

Example

As a Verb

be glad/happy (to do sth); take delight/pleasure in

1
Tā
他
lèyú
乐于
xíngshàn
行善
  
。

He is happy in doing good.

2
Lèyúzhùrén
乐于助人

love to help others; be ready to help others

3
Lèyú
乐于
jiēshòu
接受

accept with pleasure; accept willingly

4
Lèyú
乐于
cóngmìng
从命

be willing to obey; comply with sb's wish gladly; obey an order with pleasure