clown
noun [ C ] uk/klaʊn/ us/klaʊn/
A2 丑角，小丑
an entertainer who wears funny clothes, has a painted face, and makes people laugh by performing tricks and behaving in a silly way
（常指故意）出洋相的人；愚蠢可笑的人
someone who behaves in a silly way, often intentionally
clown
verb [ I usually + adv/prep ] uk/klaʊn/ us/klaʊn/
扮小丑;出洋相;逗笑
to act stupidly, often to make other people laugh
Left alone, the class threw books, pulled faces, and generally clowned around. 由于没有人管，班上的学生扔书本，扮鬼脸，简直胡闹成一片。