youdao

It's difficult to say. Let me think it over.

很难说，让我仔细想想。

youdao

It's difficult to say, and I have to think about it.

这不太好说，我需要考虑一下。

youdao

"It's difficult to say what the reasons are." "It has happened with spare parts for important medical equipment for hospitals.

VOA: standard.2010.06.17

I worked on specifically, I looked at -and this is also the reason why it's difficult to say what is a just university, because we didn't just look at Princeton, we didn't just look at Ivy League Schools or at least private institutions.

我专门研究的是,顺便，这也是为什么,为公正的大学下定义很难得原因，因为我们研究的不仅仅是普林斯顿大学，也不仅仅是常青藤学校,至少不是私人学校。

普林斯顿公开课 - 人性课程节选

well, without him, it's difficult to say,

嗯，要是没有了他，难说，

以爱因斯坦为榜样 - SpeakingMax英语口语达人

Mr Knee said it was difficult to say how many drugs got to the islands.

BBC: Guernsey sees 'resurgence in traditional drugs'

Whether or not global warming is also a contributing factor is more difficult to say.

MSN: How Bad Is the US Drought?

Mr Hampson said it was "very difficult to say" whether the stadium would be completed in time.

BBC: Worcester City Football Club stadium plans approved