待まったなし

expression

now or never; time's up

Used when a deadline has arrived or a situation is urgent, implying no more waiting is possible. Often used as an exclamation or in predicative position.

• もう待まったなしだ。今いますぐ決けつ断だんしなければ。

  It's now or never. We have to decide right now.

• 締しめ切きりは明日あした。待まったなしの状じょう況きょうだ。

  The deadline is tomorrow. It's a do-or-die situation.