白忙活一场 知道吗
“All that work for nothing, you know that?”
THE DIALOGUE REEL
你没有得逞
“you didn't succeed.”
白忙活一场 知道吗
“All that work for nothing, you know that?”
“You lost, all your effort went down the drain, and you should face it.”
Adding interrogative tags like '知道吗' when gloating is a common tactic to assert psychological superiority over an opponent.
LEARNING CHUNKS & PARTICLES
to work hard in vain / a wild-goose chase
Very common idiomatic phrase to describe putting intense effort into something only to end up with nothing.
you know? / do you understand?
Added at the end of an assertive sentence to demand acknowledgement or assert dominance.
Forms a rhetorical question meant to press the interlocutor rather than seek genuine information.