1. in chief : 尤其;
形容词
名词
1. (组织机构的)负责人,头儿,首领
The chief of an organization is the person who is in charge of it.
2. 酋长;部落首领
The chief of a tribe is its leader.
3. (用于职位头衔)主管的,首席的
Chief is used in the job titles of the most senior worker or workers of a particular kind in an organization.
4. 主要的;最重要的
The chief cause, part, or member of something is the most important one.