last resort

Noun

idiomatic

(idiomatic) The only remaining, often least desirable, option when all others have been excluded.

Japanese Meaning

最後の頼みの手段 / すべての選択肢が尽くされたときに取るべき、残された唯一の方法

If negotiations fail, sending in the emergency aid team will be our last resort.

交渉が決裂した場合、救援チームを派遣することが私たちの最後の手段になるだろう。

Sense（1）

(idiomatic) The only remaining, often least desirable, option when all others have been excluded.

I wouldn't recommend doing surgery on yourself, unless it is a last resort.

last resorts

（ plural ）