one 's face lit up with happiness
A happy face is a Chinese idiom, Pinyin is x à Xi à oy á NK à I, which describes a happy heart and a smiling face. It's from flowers in the mirror.
Analysis of Idioms
A smiling face
[antonym] melancholy
The origin of Idioms
The 99th chapter of Li Ruzhen's Jing Hua Yuan in Qing Dynasty: "through the archway, people come and go, and they all smile."
Idiom usage
It's a combination; it's a predicate, an attribute and an adverbial; it's commendatory.
Examples
1. The 54th chapter of three chivalrous men and five righteousness written by Qing Shi Yukun: Bai Yutang said, "very good." With a smile on his face, he approached Hu lie and suddenly used a skygun to attack Mount Tai.
2. The members looked at the golden wheat field and were happy to celebrate another bumper harvest year.
3. The people of the whole city are happy to celebrate the May Day in the people's Park.
one 's face lit up with happiness
have both ability and political integrity - dé cái jiān bèi