Happy birthday. How to write traditional Chinese characters?

The traditional Chinese characters of "Happy Birthday" are as follows:

Analysis: Of the four words "Happy Birthday", only Le has traditional Chinese characters. The words "life", "day" and "fast" are inherited words, which have only one form since ancient times.

Birthday: [sh ě ng ri]?

Explanation: Date of birth. It also refers to the one-year-old day every year.

A Dream of Red Mansions: "The 21st is Sister Xue's birthday." ?

Happy: [kuai lè]?

Interpretation: refers to joy; Feel happy or satisfied.

The depth of happiness comes from the things in your heart (such as love, friendship, great events, etc.). ).

Extended data:

The Evolution of music notation

Shuo Wen Jie Zi: Music, a general term for five tones and eight tones. , like a drum shovel. Wood means the support of a drum shovel. Original meaning of word-making: verb, playing and singing harmoniously.

Interpretation of happiness:

Happiness is the physiological and psychological response when people's needs are met. Explain from a biological point of view: produce dopamine.

Happiness is your emotional response when you feel good. Common reasons include feeling healthy, safe, love and sexual pleasure. The common expression of happiness is laughter.