how to say "regret'

[Kelly]

How do you say "regret" in cantonese like in "I'll regret it..." or "If you do it, you'll regret what you did!!"

[Lisa c]

hou fui

hou = back

I think fui = gray

[Radagasty]

Yes, 'hau fui' 後悔.

However, fui3 悔 means 'to repent', and is not the same as fui1 灰 'grey' (literally, 'ash').

Sebastian.