我们设法说服他，却一点儿用也没有。

We tried to persuade him to no effect.

youdao

任何了解克林顿家族的人都知道游说是一点儿用也顶不上的。

Anyone who knows the Clintons knows that lobbying will do no good.

youdao

在此之前，我通常说我是素食主义者，但是不知什么原因，这种解释对好客的意大利奶奶们一点儿用也没有。

Before I would say that I was a vegetarian, but for some reason this explanation has never worked on hospitable Italian grandmothers.

youdao

And to see that I've written another version of this, which I'm going to use here, where I'm going to give it a little indentation.

我已经写另一个版本的代码,我将把它用在这儿，我会在这儿加一点儿缩进。

麻省理工公开课 - 计算机科学及编程导论课程节选