He takes a night job on the side.

他兼任一项夜间的工作。

youdao

He lies awake at night worrying about his job.

他担心工作，夜晚躺在床上睡不着。

《牛津词典》

youdao

"I was sworn-in one night and the next morning I had to get right to the job at hand,"

VOA: special.2011.07.28

Finally,she was given a job singing at a place in Harlem where people went at night to drink alcohol and listen to music.

VOA: special.2010.02.28

But if you add the wife of pitcher Roger Clemens being dragged into the steroids investigation, sounds like time to check in with BPP's sports analyst Bill Wolff - take out a break from his day and night job on some news network, to channel back to his days as a pro-sports producer TV type.

NPR: Clemens Grilled on Capitol Hill

Those who spend a lot of time online playing in virtual worlds are interested in keeping their day (or night) job.

FORBES: Connect

Provigal can also induce a state of non-wired wakefulness in people who take it, making it a possible remedy for general lethargy or for workers who are making a transition from a night-shift job.

FORBES: Magazine Article