“身材苗条并不一定意味着不胖，”帝国理工学院的吉米·贝尔博士说。

"Being thin doesn't surely mean you are not fat," said Dr Jimmy Bell at Imperial College.

youdao

不，不一定。

No, not necessarily.

youdao

冈萨罗说他知道这样说不一定对，学习可以弟弟们不闯祸。

He knows that might not be true, he says, but it keeps them out of trouble.

youdao

Maybe you'll now believe Hobbes if you don't believe me. So the state of nature, it's a state of insecurity, it's a state of conflict.

如果你不相信我的话，你也不一定相信霍布斯,所以自然状态,是一种不安全的状态，是一种矛盾的状态。

耶鲁公开课 - 政治哲学导论课程节选

It's not necessarily unhappiness

不一定是不幸福，

加州的天气 - SpeakingMax英语口语达人

Until we say something more, it's not clear that we shouldn't just, all right, note it, store it away, and forget about it, just like the facts about the state capitals.

直到我们说了更多之前，也不一定说，我们不应该，记下它，把它收起来，然后忘记它，正如关于州首府的事实一样。

耶鲁公开课 - 死亡课程节选