jiǎn​xiū

overhaul

检修 (檢修) jiǎn​xiū
overhaul verb
to inspect, maintain, and repair machinery, equipment, or vehicles to ensure they are in good working order

To ensure safety, the elevator needs regular maintenance.

Frequency

Movie subtitles
0.750 per million appears in 0% of films
Written text
6.27 per million

Sources

Definitions
CC-CEDICT