Comprehensive resource for understanding and mastering English idioms
The idiom "time flies" means that time passes quickly or seems to fly by. It suggests that time is moving so fast that it's hard to keep track of. This expression is often used when someone is having a good time and wants to enjoy the moment.
The idiom "time flies" has its roots in the phrase "the days are numbered," which means that life is short and we should make the most of it. This expression dates back to ancient times, but it became more popular in the Middle Ages when people started focusing on personal achievement and happiness. Over time, the phrase evolved into the idiom we know today, which emphasizes how quickly time passes.