bit part
US /ˈbɪt pɑːrt/
UK /ˈbɪt pɑːrt/

1.
小角色, 跑龙套
a small acting role with few or no spoken lines
:
•
She started her career with a bit part in a local play.
她以在当地戏剧中的一个小角色开始了她的职业生涯。
•
Even a bit part can be a stepping stone to bigger roles.
即使是小角色也可以成为通往更大角色的垫脚石。