1.
too busy to stop, unable to step away from work
Describes being so occupied with something that one cannot stop or attend to other matters.
Structure: 手 (hand) + が + 離せない (cannot release). Literally 'cannot release one's hands' from something.
Similar words
- 手が離せない: currently occupied, cannot stop
- 手が空く: to become free, have free time
- 手が足りない: short-handed, not enough help
Related words
Usage: Common polite way to decline or postpone requests when busy. Less abrupt than simply saying 'busy.'