chū​mǎ

set out

出马 (出馬) chū​mǎ
set out verb
to set out on a campaign or mission; to personally take action or take charge of a task

As long as he takes care of it personally, it will definitely get done.

stand for election verb
to run for political office or throw one's cap in the ring

He has decided to run for the next mayoral election.

Frequency

Movie subtitles
2.71 per million appears in 1% of films
Written text
2.30 per million

Sources

Definitions
CC-CEDICT