Correct

其乐无穷

/ qí lè wúqíong / 
Strokes

Definition

boundless joy

Example

Definition

find it an infinite delight/a boundless joy (to do sth)

1
Yú
与
zhòng
众
tóng
同
lè
乐
  
,
qílèwúqíong
其乐无穷
  
。

Joys shared with others are more enjoyed.

2
Huàshān
华山
dǐngshàng
顶上
shǎng
赏
rìchū
日出
  
,
zhēnshi
真是
qílèwúqíong
其乐无穷
  
。

It is a great joy/delight to watch sunrise at the top of Mount Hua.