“我听说，……”英文如何说呢？

I know of him.
我听说过他。
So I have heard.
我听说是这样。
So I've been told.
我听说是这样。
He's pretty tough, I'm told.
我听说他粗暴。
I have heard of him.
我听说过他。
I heard she got married.
我听说她结婚了
She is ill, I understand.
我听说她病了。
I heard she had fallen ill.
我听说她生病了。
I heard that he was ill.
我听说他病了。
I've heard a rumour that Spike did that job on the industrial estate last week.
我听说了斯巴克上周在工业区行窃的传闻。

你可以直接说Heard that...通常不在前面加形式主语.当然，你也可以直白地说I heard that...
意思相似的是It's said that..or people said that...表示，据说，听说的意思

It's heard that...

在美国听说就是
They said that...
哈哈~

I have heard that...