expression, godan verb (-su)
try every possible means; leave no stone unturned
Used when someone exhausts all available methods or resources to achieve a goal. Often implies determination or desperation.
彼は問題を解決するために手段を尽くした。
He tried every possible means to solve the problem.
手段を尽くしてもうまくいか
Even after leaving no stone unturned, it didn't work out.