A manager is a person who is responsible for running part of or the whole of a business organization.
The chef, staff and managers are all Chinese.
...Linda Emery, marketing manager for Wall's sausages.
...a retired bank manager.
The manager of a pop star or other entertainer is the person who looks after their business interests.
(球队的)主教练(在美国英语中，该词只用于棒球球队，其他运动则用 coach 一词指主教练)
The manager of a sports team is the person responsible for training the players and organizing the way they play. In American English, manager is only used for baseball; in other sports, coach is used instead.