He was unable to think straight.

他不能正确地进行思考。

youdao

Or was it paralyzed, unable to think?

还是陷于麻木，无法思考？

youdao

"Your fee's on top of the dresser," I said, unable to think of anything else to say.

“你的酬金在化妆台上，”我说，想不起还能说什么。

youdao

They might feel cold,dizzy and unable to think clearly.

VOA: special.2009.02.04

I think most Israelis agree that the Palestinians are unable to be a real partner in the real future."

VOA: standard.2009.10.31

So,when you think about that, without an education they are unable to care for their family,"

VOA: standard.2009.12.04

As for the so-called died-in-the-wool football lovers, well, er, they are unable to think or talk about anything else!

BBC: Ghana embraces Nations Cup fever

For example, you may be working on putting out a fire and therefore unable to think beyond next week, let alone strategically.

FORBES: Do People Want to Follow Me? 5 Questions Every Leader Needs to Ask

When your correspondent was at university in France, she was told her poor performance was due to an Anglo-Saxon mind that made her unable to think properly, or rather logically.

ECONOMIST: The French have jokes, but do they have a sense of humour?