Idiom:  before you know it


Idiom:  before you know it

  • very soon
  • in a very short period of time

Example sentences

— Before you know it, summer will be over and it will be time to go back to school.

— Last night I decided to get on the Internet to check email really quickly and before I knew it, three hours had passed by.

— My daughter was starting to get really upset about getting a shot but it happened before she knew it and then the doctor gave her a lollipop.

— It's been a long winter but before we know it, we'll be seeing flower buds on the trees.

— There were at least 100 people at the cashier so we were going to leave. Before you knew it, they opened the other eight checkout lines and we waited just 10 minutes. 

— Sit down and have a cup of coffee or tea and we'll be with you before you know it.

— We met my son's girlfriend at the football game and before you know it, she was calling me by my first name. So I told her, "Call me Mrs. Jones!"

— Enjoy this time. Before you know it, your son will be in high school and you'll wish he was a toddler again.

— The picnic was going great. Then, before we knew it, the sky turned dark and started to pour rain and we all got soaking wet.

— Keep "casually" using drugs and before you know it, you'll be addicted.

— Before you know it, we will be wishing we were younger, not older.

— I was so excited to get a credit card, and then another. Before I knew it, I was $7,500 in debt at a 22% interest rate.


  • without delay
  • in no time (at all)
  • any moment (now)
  • coming (right) up
  • in a jiffy
  • in a moment

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