Synonyms are pleasant goat, liveliness and laughter.
I don't know if the four words are synonyms, but they are all cheerful, smiling, overjoyed, ecstatic, complacent, unhappy, laughing, cheering, cheering and jumping with joy.
Euphemism means: describe the happiness in your heart and the happiness on your face.
Pinyin: méI zézé
Quote: Modern Duan Huanjing's "Adhere to the Hunan-Jiangxi Border Region for Three Years": "I am also very happy to walk with you."
Synonyms: crossing and happiness.
Example: During the Spring Festival, he received a letter from his parents thousands of miles away, and his heart was filled with joy.