danger-signal

Their relations to each other — not long ago an inexhaustible topic — would not bear spoken comment; both were too conscious of the danger-signal when they looked that way.

New Grub Street 2003

Physical science, particularly physiology, from its intimate acquaintance with the human organism, is admirably adapted for the function of a danger-signal, so to speak, to warn the ignorant and indifferent that a life undisciplined and ill-regulated cannot but end in irretrievable disaster.

Morality as a Religion An exposition of some first principles W. R. Washington Sullivan

It is the danger-signal which warns against the use of the fiery poison.

Object Lessons on the Human Body A Transcript of Lessons Given in the Primary Department of School No. 49, New York City Sarah F. Buckelew

Recognizing the danger-signal and hastily cramming on his brakes, Sir ERIC observed that it would be "a great calamity" to prevent the economic use of the charabancs.

Punch, or the London Charivari, Volume 159, August 18th, 1920 Various

"It _was_ rather more than the truth warrants," answered Winifred, with a little spot of color flaming up in her cheeks like a danger-signal.

Flint His Faults, His Friendships and His Fortunes Maud Wilder Goodwin

They were beginning to talk, not about each other but of themselves -- the danger-signal of all tête-à-tête adventures.

In and out of Three Normady Inns Anna Bowman Dodd

Christopher's attention was fixed on a distant speck that might be a danger-signal and he did not answer her or notice the nearer signal of danger in her white face.

Christopher Hibbault, Roadmaker Marguerite Bryant

Long before the faint vibration had reached his ears, his whiskers had caught it and flashed their danger-signal to his brain.

"Wee Tim'rous Beasties" Studies of Animal life and Character Douglas English

Mumbling with protruded lips is an appeal for pity and affection; a coughing grunt denotes indignation; surprise is expressed by a very peculiar, _sotto voce_ guttural; _crescendo_ the same sound is a danger-signal which the little Capuchin-monkey of the

Lippincott's Magazine, October 1885 Various

The musical call of the nutmeg-pigeon serves as a danger-signal, uttered by sympathising friends, when love must yield to life's stern realities in the person of the overseer.

Through the Malay Archipelago Emily Richings