高たかくつく

expression, godan verb (-ku)

cost a lot; be expensive; turn out costly

Emphasizes that something ends up being more expensive than expected or reasonable; often used when the final cost is high due to hidden factors or poor choices.

• 安やすい材ざい料りょうを使つかったら、修しゅう理りが高たかくついた。

  Using cheap materials ended up costing a lot in repairs.

• 外がい食しょくばかりしていると高たかくつくよ。

  Eating out all the time will cost you a lot.