Japanese phrase
___できたのに。 ___ de ki ta no ni
Meaning
Even though ___ was finished.
When to use it
Shows regret about a completed action. It suggests that the expected result did not happen and can sound mildly frustrated.
Example dialogue
まだ遊べないの？ ma da aso be na i no
Can't we play yet?
もう宿題ができたのに。 mō shuku dai ga de ki ta no ni
But my homework is already done.