Correct

喜形于色

/ xǐ xíngyúsè /
Strokes

Definition

face light up with delight (idiom); to beam with joy

Example

Definition

one's face reveals one's happiness; be visibly pleased/brightened; be radiant/beaming with joy; one's face shines with joy

1
Huòshèng
获胜
hòu
  
,
xíng
喜形于色
  

She obviously exulted in winning. / She was jubilant at/over/about her victory.

2
Tīngshuō
听说
érzi
儿子
kǎoshàng
考上
le
xué
大学
  
,
qīn
父亲
jīn
不禁
xíng
喜形于色
  

The father's face shone/glowed with radiance when he was told his son had been admitted to a university.