red flag

The bigger the claim made in the headline, the bigger the red flag it raises for me.

Russians with us and red flag too, but you still sit on your sofa.

Among pilots this raised no red flag: it indicated an enthusiastic professional proud of his skills.

Lack of video in the Israeli attack was “a big red flag” that initial reports may have been false.

This should have been a red flag to everyone, regardless of what they thought of Fox News.

Thus shall we see the destinies of this country guided under the orange and red flag.

It seemed an exceedingly long time before the expected "extra" arrived, and when it did come it bore another red flag.

It is supposed that at Bunker Hill our troops carried a red flag, with a pine tree on a white field in the corner.

Tommy had come out, and had hailed the man who walked in front of the machine with a red flag.

Only the waving of the red flag of Socialism could rouse in him what seemed to us others a certain savageness of intolerance.