覆水難收

spilt water is difficult to retrieve (idiom) / it's no use crying over spilt milk / what's done is done and can't be reversed / the damage is done / once divorced, there's no reuniting

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

to receive / to accept / to collect / to put away / to restrain / to stop / in care of (used on address line after name)

variant of 復|复[fu4] / to reply to a letter

to cover / to overflow / to overturn / to capsize

difficult (to...) / problem / difficulty / difficult / not good

disaster / distress / to scold