無む駄だ金がね

noun

wasted money; money down the drain

Refers to money spent without any benefit or return; often used in expressions of regret or criticism.

• そんな安やす物ものを買かうのは無む駄だ金がねだ。

  Buying such cheap stuff is a waste of money.

• 高たかい会かい費ひを払はらったが、結けっ局きょく無む駄だ金がねになった。

  I paid a high membership fee, but it turned out to be money down the drain.