Meaning of the word "time flies" in English

What does "time flies" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

time flies

US /taɪm flaɪz/
UK /taɪm flaɪz/
"time flies" picture

Idiom

1.

time passes very quickly

Example:
It feels like just yesterday we started this project, but time flies when you're having fun.
I can't believe it's already December; time flies!
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