The Italian phrase can be rendered as 'I did my best'.

这个意大利语的短语可以译为“我尽力了”。

《牛津词典》

Gritting my teeth, I did my best to stifle one or two remarks.

我咬紧牙关，硬是把一两句意见咽了回去。

《柯林斯英汉双解大词典》

I did my best in the event.

我在这个项目中尽了最大努力。

youdao

I did my best to work like the other men.

VOA: special.2010.08.01

The more I did of my strategy, the more the other player did as a best response.

我如果采用付出更多努力的策略,其他参与人的最佳对策也是这样

耶鲁公开课 - 博弈论课程节选

And last night, I did my best to lay out the stakes in this election.

WHITEHOUSE: The White House

And then last night, I did my best to lay out the stakes in this election, which could not be higher.

WHITEHOUSE: The White House

"I did my best and my best was not enough, " Hernandez admitted.

BBC: SPORT | Boxing | Morales proves too good