我听到有人说过这事。

I heard someone say that.

youdao

‘我记得我听到有人说：“我们要失去她了，”’Heidi说。

'I remember hearing someone say: "We're losing er,"' says Heidi.

youdao

有时候，我听到有人说“我不能想象成为……”或者“我没法想象去做……”是的，生活中的许多方面让人害怕。

Sometimes I hear people saying, "I can't imagine being...". Or "I can't imagine doing...".

youdao

I heard one of them say to an imaginary suitor, "and you without health or a home."

我听到有人对臆想的原告说，你没有健康，你没有家庭“

耶鲁公开课 - 现代诗歌课程节选

So, for those of you who have never heard French before, when you hear somebody say, "Je ne sais pas" you could say, "Remarkable!

因此,对于那些从未听过法语的人来说,当你听到有人说,"我不知道",你可能会说,"太神奇了

耶鲁公开课 - 心理学导论课程节选

Yup, I heard one, so 2 minus 1, one total node.

嗯，我听到有人说１个，２减去１，１个节点。

麻省理工公开课 - 化学原理课程节选