What are the traditional Chinese characters for joy?

Happy traditional Chinese characters are shown in the following figure:

Pronunciation: huān xǐ?

Express meaning: joy; Joey.

Part of speech: it is usually used as an adjective in a sentence to modify the subject or object.

So this is a happy ending, although my life may be shortened by several years because of this incident.

The antonym of "joy" is introduced: sadness

Pronunciation: büI tòng

Express meaning: sadness. ?

Part of speech: sadness is usually used as an adjective in sentences to modify the subject or object.

Ex.: When he got home, his mother had died for three days. He was so sad that he really felt a sense of redemption.