in harness

US /ɪn ˈhɑːrnɪs/
UK /ɪn ˈhɑːrnɪs/
"in harness" picture
1.

在职, 投入工作, 在岗位上

working or performing one's duties, especially after a period of rest or inactivity

:
After a long vacation, it's good to be back in harness.
长假过后,很高兴能重新投入工作
The old politician was still in harness, actively participating in debates.
这位老政治家仍然在职,积极参与辩论。