用尽了一切办法
All possible means were exhausted
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他们为改善局面用尽了一切办法。
They tried everything they possibly could to improve the situation.
《牛津词典》
我们用尽了一切办法，但都没成功。
We tried every means imaginable, but all in vain.
youdao
为了找丢失的孩子，他们用尽了一切办法。
They had left no means tried to look for the lost child.
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