Head of a city's or town's government; chief municipal executive.

• Elected or appointed leader responsible for local administration and policy.

市或镇政府的首长；市政行政负责人。

• 由选举或任命产生，负责地方行政与政策。

Mostly ceremonial official who presides over the council.

• Day-to-day administration handled by a professional city manager.

主要为礼仪性的职务，主持市议会。

• 日常行政由职业市经理负责。

Informal: a prominent local figure seen as the leader.

• A community boss or big shot, not necessarily in office.

非正式：被视为当地头面人物或领头人。

• 社区里的“大人物”，不一定拥有公职。