确信

be sure, be certain

verb Rare #13,656
be sure, be certain Often used with 是 or a clause to say that you are sure something is true.
CH: 我确信他会来。
EN: I'm sure he'll come.

但我们确信你会知道。

But we're sure you'll know.

我把主意解释清楚后,他确信我找到了正确的办法。

After I explained my idea clearly, he was convinced I’d found the right approach.

你确信你不是犹太人吗?

Are you sure you're not Jewish?

— 再见,孩子们 (1987)

既然不是亲眼所见你怎么能确信呢

If you didn't see it with your own eyes, how can you be so sure?

— 哭声 (2016)

你确信是这样对吧?

You're sure that's how it is, right?

— 好人寥寥 (1992)

“我在自己心中所确信的一切”

Everything I’m certain of in my own heart.

— 控制 (2007)

你看起来确信汤姆需要这样做

You seem certain that Tom needs to do this.

你确信汤姆躲在那后面吗?

Are you sure Tom is hiding back there?

尼古拉斯知道我想要什么,却确信自己并不知道我需要什么。

Nicholas knows what I want, yet is certain he doesn’t know what I need.

你确信不来点什么喝的

Are you sure you don't want something to drink?

— 城市英雄 (1993)

我只想确信他真的回家了。

I just want to be sure he really went home.

— 隐藏摄像机 (2005)