to take charge of sth/sb负责…
She intended to take charge of the boy herself.她打算亲自照管这个男孩。
As the senior officer present he took charge of the situation.作为在场的高级军官, 他接管了这一局面。
It was a bad day for press freedom when she took charge of the paper.她掌管报社的那一天对于新闻自由而言是灰暗的一天 。