chief

首长、主管、局长

The police chief promised a full investigation into the incident.

警察局长承诺会彻底调查这起事件。

酋长、族长、首领

The village chief welcomed the visitors with a short speech.

村里的酋长以简短的演说欢迎访客。

老大、老板口语，用于称呼

Thanks, chief, I'll take it from here.

谢了老大，接下来交给我。

主要的、首要的、最重要的仅用于名词前

Traffic is the chief cause of air pollution in this city.

交通是这座城市空气污染的主因。

首席的、总的、最高阶的仅用于名词前

She was promoted to chief engineer after only three years.

她才三年就升上总工程师。