I'm in a good mood
It is a Chinese idiom. Pinyin is Xi à Q à y í s è, which means to look pleasant and have a submissive attitude. It comes from the book of rites.
Idiom usage
To act as an object or adverbial; deal with
Examples
And if a filial son is a relative, he must be downhearted and be filial.
Analysis of Idioms
Synonym: down and happy
The origin of Idioms
"The book of rites · neize" says: "parents have had it. They are downhearted and happy. They have a soft voice to remonstrate."
Idiom explanation
It describes a person who looks pleasant and has a submissive attitude. It's the same as "down and happy".
Chinese PinYin : xià qì yí sè
I'm in a good mood