故事中有许多事情都不是真的，但我不得不说，无风不起浪。

A lot of the stuff in the story is not true, but I have to say that where there's smoke there's fire.

《柯林斯英汉双解大词典》

你能来送我真好，但我不得不说再见了。

It's very nice of you to see me off. But I have to say goodbye to you.

youdao

但我不得不说，我总是会被问到太多相同的问题！

I have to say, I get the same questions over and over!

youdao

Now, I've been saying kind things about Western civilization, but I would not want to deny that there is a dark side to the western experience and its way of life.

我刚刚一直说的都是西方文明光辉的一面,但我是不得不承认,西方文明,也有它黑暗的一面

耶鲁公开课 - 古希腊历史简介课程节选