undertake
/ˌʌndəˈteɪk; ˌʌndɚ`tek/ v
(pt undertook /- 5tUk; -`tJk/, pp undertaken / -ˈteɪkən; -`tekən/) (fml 文)
1 [Tn] (start to) make oneself responsible for (sth) 承担（某事物）; 负起（某事物）的责任
undertake a mission, task, project, etc 承担使命、 任务、 工程项目等
She undertook the organization of the whole scheme. 她负责整个计画的组织工作.
2 [Tf, Tt] agree or promise to do sth 同意或答应做某事
He undertook to finish the job by Friday. 他答应在星期五以前完成那工作.