I don't expect to win. But I am going to give it my bestshot.
我并不期望能赢。但是我要尽力而为。
《柯林斯英汉双解大词典》
2
He will give the Russia relationship his bestshot.
他将在对俄关系中尽自己最大的努力。
3
Remember that living a life of excellence is not difficult – simplydecide right now to give it your bestshot – and you will be amazedwith what life gives you back.