“听着，小灯芯，”木偶说，“你真的确定愚人国里没有学校吗？”

Listen, Lamp-Wick, said the Marionette, are you really sure that there are no schools in the Land of Toys?

youdao

你真的确定你以后都不需要他了吗？

Are you sure you won't need it eventually?

youdao

你真的确定吗？没有人让你去维护世界和平。

Are you sure about that? No one is asking you to solve world peace.

youdao

Are you sure you didn't want to do for i in range of list, rather than for i in list?

你真的打算这么做吗？你确定你不是,想在链表范围内定义i而不是定义链表i？

麻省理工公开课 - 计算机科学及编程导论课程节选

But I'm not sure that you can really make that assumption based on something that someone creates

但我不确定你真的能基于某人创作的某些作品来做那样的推断，

印象深刻的展示会 - SpeakingMax英语口语达人

Are you sure? Is there nothing you want to say?

你确定？真的没有什么要说的吗？

Is there any 实战 - SpeakingMax英语口语达人