A human male child; a boy or man spoken of in relation to his parents.

儿子；男孩子。

A male descendant.

男性子孙。

A native of a particular country.

国民。

A graduate of a certain college.

某大学毕业生。

Used as a form of address, e.g. by an old man to a young man, a priest to a penitent.

孩子(长者对年轻人或神父对悔罪者的称呼)。