'sign in' in a sentence
Learn how to use 'sign in' with 5 example sentences.
- sign in verb
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: announce one's arrival, e.g. at hotels or airports
The United Nations Charter was signed in 1945.
How do you pronounce the "@" sign in your language?
I can't see the road signs in this fog.
This must be signed in the presence of three witnesses.
I thought we could put a sign in the window.