sign off

1. (idiomatic)To log off; to stop using a computer, radio, etc.; especially, to stop talking.

   He finished the conversation and signed off.

   cease broadcasting; get off the air; as of radio stations

2. To cease broadcasting a radio or television signal, usually at the end of a broadcasting day.

   Before he signed off the radio station for the night, the disc jockey played the National Anthem.

3. To give one's official approval to something for which it is needed, especially by a signature.

   Once the vice-president signs off on the project, we can start construction.

4. To use a valediction, such as the end of a letter or broadcast.

1. I've got to sign off.

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2. There was a sign saying, "Keep off the grass."

   ruБыла табличка с надписью «По траве не ходить». — Ooneykcall

   deDa war ein Schild, auf dem stand: "Rasen betreten verboten". — virgil

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3. Signing off, gonna take a shower.

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4. Paul signed off from the chat.

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5. How long has the doctor signed you off for?

   deFür wie lange hat der Arzt dich krank geschrieben? — Pfirsichbaeumchen

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irregular

• sign upзамовити, замовлятиTo add a name to the list of people who are participating in something.
• sign onпідписати, підписуватиTo join something, after signing.
• sign inзареєструватися, реєструватисяTo sign one's name on a list when entering a place, to indicate one's arrival.
• sign offTo log off; to stop using a computer, radio, etc.; especially, to stop talking.
• sign outTo sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a secured program or web page on a computer.
• sign overTo transfer (property or rights) to somebody else by signing a document.
• sign awayTo give up something, such as a right or possession, by signing a document.