straw in the wind

straw in the wind idiom
A slight hint of the future, as in The public unrest is a straw in the wind indicating future problems for the regime. This expression alludes to a straw showing in what direction the wind blows, an observation also behind the idiom straw vote.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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