red flag

1. Used other than figuratively or idiomatically: see red, flag.

2. (figuratively)A cue, warning, or alert; a sign or signal that something is wrong.

   Improper formatting is a red flag that you should look for other problems with the data.

   Warnsignal, Warnhinweis

   a flag that serves as a warning signal

3. A cue, warning, or alert; a sign or signal that something is wrong.

   (figuratively)A flag used as a signal that the race must be stopped immediately (and possibly restarted).

4. (UK, figuratively, historical)A flag formerly used by a railway guard to warn the driver not to start the train.

5. A red or predominantly red flag symbolizing a left-wing ideological movement, such as socialism, communism or the labour movement.

   rote Fahne

   кра́сный флагkrásnyj flag, кра́сное зна́мяkrásnoje známja

   червоний прапорčervonyj prapor

6. (US, figuratively)Something that will enrage a particular person; a red rag.

1. Didn't you see the red flag?

   ruРазве вы не видели красного флага? — sharptoothed

   CC BY 2.0 FR · Tatoeba · sharptoothed · A1Open on TatoebaReport a problem

2. The red flag indicated the presence of danger.

   CC BY 2.0 FR · Tatoeba · CM · B1Open on TatoebaReport a problem

3. A red and white flag was flying in the wind.

   ruНа ветру веял красно-белый флаг. — Hellerick

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4. Chinese people have a big red flag and a little red book.

   CC BY 2.0 FR · Tatoeba · U2FS · A2Open on TatoebaReport a problem

5. Sami's story raised some red flags.

   CC BY 2.0 FR · Tatoeba · OsoHombre · C2Open on TatoebaReport a problem

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