Cách sử dụng
The expression "flash on" means to suddenly remember or have a clear understanding of something. For example, if you are trying to remember where you put your keys and suddenly you remember, you could say "Oh, I just flashed on where I left my keys!" This expression can also be used when something suddenly makes sense to you, like a difficult concept in math or science. It's important to note that "flash on" is an informal expression and may not be appropriate in all situations.