key off

1. To take something as a controlling input datum.

   This logic keys off the user's social security number.

2. To turn off something (e.g. a car) using a key.

   She keyed off the ignition and went into the house.

1. Tom took the key off of the hook it was hanging on.

   ruТом взял ключ с крючка, на котором тот висел. — odexed

   deTom nahm den Schlüssel von dem Haken, an dem er hing. — Pfirsichbaeumchen

   CC BY 2.0 FR · Tatoeba · CK · B2Open on TatoebaReport a problem

2. The key broke off in the lock.

   CC0 · Tatoeba · ddnktr · A2Open on TatoebaReport a problem

irregular

• key outназвати, називатиTo remove (something) or make (something) transparent in a scene through the use of a chromakey.
• key upTo raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly.
• key offTo take something as a controlling input datum.
• key onTo anticipate a play by watching and analyzing the movements of one's opponent(s).
• key inTo enter data by keyboarding.
• key downTo lower in pitch, level, or intensity; to tone down.
• key intoTo put (someone) into (a particular state, emotion etc.).