Today’s lesson of colloquial expression
581. down time メンテナンス等のため動いていない時間
- this is a period of time when a machine, website, etc. is not operating as normal, such as for maintenance or repairs.
1. After two weeks of down time, they were finally able to restart the assembly line.
2. Every airplane in the fleet requires about two hours of down time for every hour spent in the air.