噢，你们不必笑——我想我可以让你们看看。

Oh, you needn't smile--I reckon I can show you.

youdao

你们不必过于为我担心。

You needn't worry too much about me.

《新英汉大辞典》

我不必效仿你们。

I don't have to be like you.

youdao

Well if I-- you know, with let me say it differently. I don't need to worry about how checking is done, it's handled inside of that function.

好，如果你们知道，抱歉，让我们换种说法,我不必担心检查工作,是则会么做的，这是在方法体内部进行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, here the city is at a distance. We're in a pastoral space, a beautiful space, and this is all sort of under the guidance of this white cloud, this blinding white cloud. And of course, I don't have to say to you, I'm sure, "Blinding white cloud?

因此，这儿，离城市还有一段距离，我们来到了一个农村，一个漂亮的地方，在那朵白云的引导下,这朵亮白的白云，当然，我不必跟你们解释，我很确定，亮白的白云？

耶鲁公开课 - 1945年后的美国小说课程节选

Others though, I want to tell you that it doesn't-- if you're shopping-- I had a student come by yesterday and ask he's a little rusty in his math skills if he should take this course.

其他的,我想告诉你们不必...,如果你还在挑选课程...,昨天有个学生来问我,他的数学有点荒废了,他该不该选这门课

耶鲁公开课 - 金融市场课程节选