我必须承认我当初是有疑虑的。

I must admit I had my doubts.

youdao

根据法律，如何确保实施征用仍然有疑虑的-并说服公众合作。

But doubts remain about how to ensure that such commandeering is carried out according to law - and to convince the public to cooperate.

youdao

他说对他的气候记录有疑虑的“怀疑论者”应该利用美国的公开资料编制他们自己的数据集。

He said "sceptics" who doubted his climate record should compile their own dataset from material publicly available in the US.

youdao

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选