be (one's) last resort(redirected from am his last resort)
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be (one's) last resort
To be the only remaining option that may help one or be of any use after all other options have been exhausted. I didn't really want to ask Mr. Stadler to write my college recommendation, but he's my last resort at this point.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.