lín​shí​gōng

temporary work

临时工 (臨時工) lín​shí​gōng
temporary work noun
short-term employment or labor that is not permanent

He hasn't found a permanent job yet and is currently just working as a temp.

temporary worker noun
a person employed on a short-term or non-permanent basis

The factory hires a large number of temporary workers during the peak season.

Frequency

Movie subtitles
2.06 per million appears in 1% of films
Written text
3.72 per million

Sources

Definitions
CC-CEDICT