to be sure

to be sure idiom
Undoubtedly, certainly, of course, as in The coat is expensive, to be sure, but it's bound to last longer than a cheap one. This idiom was first recorded in 1657.

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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