expression, godan verb (-su)
try every possible means; leave no stone unturned
A set phrase meaning to exhaust all available methods or approaches. Often used when someone is making a desperate or thorough effort.
彼は八方手を尽くして資金を集めた。
He tried every possible means to raise funds.
問題を解決するために
I left no stone unturned to solve the problem, but it didn't work out.