at the last minute

Prepositional phrase

idiomatic

(idiomatic) Very close to a deadline or potential crucial event.

Japanese Meaning

土壇場で / ギリギリに / 最後の瞬間に / 直前に

We submitted the proposal at the last minute, hoping the client wouldn't notice any mistakes.

私たちは締め切り直前に提案書を提出し、取引先がミスに気づかないことを願いました。

Sense（1）

(idiomatic) Very close to a deadline or potential crucial event.

At the last minute, he refused to approve the plan.