Chinese

		fallen blossoms; falling blossoms	intentional		flowing water	merciless; ruthless; heartless
trad. (落花有意，流水無情)		落花	有意	，	流水	無情
simp. (落花有意，流水无情)		落花	有意	，	流水	无情
Literally: “the flower that falls (into the stream) has the desire, but the stream has no feelings (for the flower)”.

Idiom

落花有意，流水無情

1. An idiom describing unrequited love.