全力以赴;盡力而為;竭盡全力
do / try your damnedest (to do sth)
to try as hard as you can (to do sth)
She did her damnedest to get it done on time.她竭盡全力按時把它完成了。
釋義來自《牛津高階英漢雙解詞典》第 9 版