Out of the Blue
idiomUnexpectedly, without warning
More Words & Idioms
Cost an Arm and a Leg
Something that is very expensive
Don't Judge a Book by Its Cover
Do not judge something by its appearance alone
Be on Cloud Nine
To be extremely happy
Brain Teaser
A problem or puzzle that is difficult to solve
Catch Someone with Their Pants Down
To discover someone in an embarrassing situation
Bite the Hand That Feeds You
To act badly toward someone who has helped you
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