off one's guard

Idioms  

1. see off guard.

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Example Sentences

In such places, unaware or off one’s guard, it can seem that beauty alone might atone for the ignoble.

From The Guardian • Oct. 20, 2019

And never for a second must one be off one's guard for one's watch and money and even hanky.

From Sea and Sardinia by Lawrence, D. H. (David Herbert)

As if I, Edwin Kippen, was likely to be off guard in business hours, as if it were possible to be off one’s guard and get one’s living, Bermondsey way.

From The Idler Magazine, Volume III, March 1893 An Illustrated Monthly by Various

There was a confiding air of bonne camaraderie about the fellow which completely put one off one's guard.

From The Four Pools Mystery by Webster, Jean

Hence the phrase Imperturbable as Bertolde, meaning "never taken by surprise," "never thrown off one's guard," "never disconcerted."

From Character Sketches of Romance, Fiction and the Drama, Vol. 1 A Revised American Edition of the Reader's Handbook by Brewer, Ebenezer Cobham