key off
上級 (C1) neutral
To use something as a signal to start doing something, or to turn something off with a key.
"The dancers were told to key off the drummer's downbeat at the start of each section."
文脈の中で聞く
Resident Evil Requiem - The Livestream of Saving Grace
Many A True Nerd · 132:40
to a nice little key off this guy's
David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy | Lex Fridman Podcast #485
Lex Fridman · 19:17
You turn the key off on your car, you know it's going to turn off.