let down (one's) guard

(redirected from let down your guard)
Like this video? Subscribe to our free daily email and get a new idiom video every day!

let down (one's) guard

To become less guarded or vigilant; to stop being cautious about potential trouble or danger. We'll wait long enough for them to let down their guard before we launch our invasion. There will always be people in this business looking to exploit you, so you can never let down your guard.
See also: down, guard, let
References in periodicals archive ?
Following detox, Al Maseeh told Khaleej Times relapse-prevention is the biggest hurdle: "You cannot let down your guard as an addict, so relapse prevention always focuses on who, what and where.
If you let down your guard, you too could become a victim.
When your front door is sometimes a flap and the fire is open for all, it's easier to let down your guard at other times.
Let down your guard and ask the questions burning in your mind, you should get an answer to both shock and please you.
These scam artists count on you to let down your guard when clicking hyperlinks or installing applications.
But don't let down your guard, warns researcher William Gray of Colorado State University.
All it takes is a lapse of concentration or a moment when you let down your guard.
Always be prepared for the unexpected--don't let down your guard.
I did learn a few lessons: Everything may appear safe, but don't let down your guard.
We have always had a good record on infection control, but you must never let down your guard.
You can't let down your guard," says Daher, "just because you're using an optical system.
If you let down your guard and think you won't be fooled, then you too can become a victim.
Getting comfortable flying with a familiar, seasoned pilot can lead you to let down your guard.