これが最後だ

this is the last time

→ 此れ
phrase Rare #22,046
this is the last time Depending on context, it can also mean “this is the last one.” Often used as a firm statement or warning that something will not happen again.
JA: もう一度だけ手伝う。これが最後だ。
EN: I'll help you one more time. This is the last time.

これが最後だ

This is the last one.

そのお金を貸してあげるいいかいこれが最後だ

I’ll lend you the money, but understand this: it’s the last time.

これが最後だ

This is the last one.

— ダンガル きっと、つよくなる (2016)

私たちが彼の顔を見たのはこれが最後だ

This was the last time we saw his face.

— ウィキッド 永遠の約束 (2025)

行くなと言ったのに私を待てだが彼女はこれが最後だからと約束したんだ

I told her not to go and to wait for me, but she promised that this would be the last time.

— ブレット・トレイン (2022)

これが最後だから

Because this is the last time.

これが最後だ

This is the last one.

— 嵐の中で (2018)