Nuclear weapons should be used only as a last resort.

核武器应该只被用作最后手段。

《柯林斯英汉双解大词典》

In my opinion, transplanting coral should only be used as a last resort.

在我看来，移植珊瑚只能作为最后的手段。

youdao

youdao

"What you do in a crisis is you want a lender of last resort who is going to lend freely against good collateral,"

VOA: standard.2009.04.22

And as a last resort, NYPD would raise prices of some menu items, Mr. Stark says.

WSJ: How 3 Small Firms Are Coping With Health Law

Then it was stopped and the leukaemia got aggressive and the transplant was the last resort.

BBC: Marrow donor Barry Crackett meets US boy he saved

When financial markets are in near crisis mode, Buffett shines as investment banker of last resort.

FORBES: Buffett, The Reinvented Warrior, Soldiers On