an actor with a small part in a film 小角色；小演员 She was a bit player in a couple of movies. 她曾在几部电影中扮演过角色。
a person or an organization that is involved in a situation but does not have an important role and has little influence 无足轻重的人（或组织） This country needs to be a leading partner in Europe, not a bit player. 这个国家需要成为欧洲的主要合作伙伴，而不是一个参与者。