- When time flies, it means that it moves quickly and unnoticed.
A certain period of time has passed surprisingly quickly.
- Time passes quickly.
1. Time flies when you’re having fun!
2. I can’t believe we’re in our 30’s now. Time flies!
3. It’s been ten years since we last saw each other. How time flies!
4. A: It’s been so long! How have you been?
B: Good. How time flies! It seems like we were in school together just last year!
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