She undertook the task of monitoring the elections.

她承担了监督选举的任务。

She was secretly vetted before she ever undertook any work for me.

她在为我承担任何工作之前受到了秘密审查。

He undertook to edit the text himself.

他承诺亲自编辑正文。

He undertook to finish the job by Friday.

他答应星期五或之前完成这一工作。

They undertook a fact-finding mission in the region.

他们承担了在该地区核查事实的工作。