鸡口牛后 (雞口牛後) jī kǒu niú hòu

jī kǒu niú hòu set phrase chicken beak and ox buttocks / better to be the leader of a small team than an unimportant person in a large team
Domain: Idiom 成语
Notes: (Guoyu '雞口牛後'; Mathews 1931 '雞口牛後', p. 56)