M: I am certain I am going to fail my English test.

M：我肯定我的英语考试不会及格。

youdao

In the most simple case that I can think of, I have here a block m which has a certain mass, m.

在最简单的示范中，我有一个大块，它的质量为。

youdao

I leave that to you, but I feel certain that I can earn at least 2500 yuan R. M. B. per month.

关于薪金问题，理应由贵公司决定，我确信至少每月2500元。

youdao

And so, in certain contexts, I'm perfectly comfortable--in my physicalist moods, I am perfectly comfortable--talking about this person's soul.

而且,在某些情况下,依照我这个物理主义者的心情,我感到很惬意,探讨人的灵魂,我也感到很惬意

耶鲁公开课 - 死亡课程节选

Okay, have to stop there--might add a word or two-- but on Thursday we turn, I'm afraid with a certain awkwardness; I wish there were an intervening weekend, to Freud and Peter Brooks.

好的，必须在此停下了，再加一两句-,到周四我们将会，恐怕有点尴尬;,我希望会有一个周末，留给弗洛伊德和彼得，布鲁克斯。

耶鲁公开课 - 文学理论导论课程节选

I'm not certain it's meaningful, unless you are in the habit of giving your furniture personal names.

我不确定它有意义，除非你们热衷于,给你们的家具起名字。

麻省理工公开课 - 计算机科学及编程导论课程节选

"I'm absolutely certain the Russians are as preoccupied as I am, as Americans are, by the bad situation that exists in Syria and its continuing deterioration, and I'm absolutely certain they would like to contribute to its solution, " he said.

CNN: Syrian rebels claim capture of strategic military base

"But if I do something I shouldn't then I'm certain I'll be in the paper!"

BBC: Gruffudd 'too young' for Bond

"I'm certain a pope will come from the new continents but whether it will be now, I have my doubts, " he said.

CNN: STORY HIGHLIGHTS