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take charge (of someone or something)
to take (over) control of someone or something. The president came in late and took charge of the meeting. When the new manager took charge, things really began to happen.
take charge (of something)
to do something to control a situation or organization Germany, Switzerland, and France still have the best teams, and they will take charge of these games. When the union needed someone to clean up its finances, I took charge of the whole mess.
Assume control, command, or responsibility, as in I'll take charge of selling the tickets if you'll do the publicity, or They're not happy about the counselor who took charge of the children. [Late 1300s]
To assume control or command.