時じ間かんを惜おしむ

expression, godan verb (-mu)

value time; be sparing with time

Used when someone treats time as precious and avoids wasting it. Often implies diligence or a sense of urgency.

• 彼かれは時じ間かんを惜おしんで勉べん強きょうした。

  He studied hard, grudging every moment.

• 時じ間かんを惜おしむなら、無む駄だな会かい議ぎは減へらすべきだ。

  If you value your time, you should cut down on pointless meetings.