expression, ichidan verb
exhaust all means; be at one's wits' end; play one's last card
Set phrase meaning every possible method or resource has been tried and nothing remains. Often used when facing a hopeless situation.
もう万策尽きた。どうすればいいか分からない。
I've exhausted all my options. I don't know what to do.
交渉は決裂
Negotiations have broken down, and we've reached the end of our resources.