Sorry, I'm a little slow on the uptake. I don't know what is wrong with my brain today.

不好意思，我反应有点慢。我也不知道我今天脑子怎么了。

Sometimes Tim’s a little slow on the uptake.

【slow，slowness】蒂姆有时理解得有点慢。

Andre says Matt doesn't seem like the kind who's very quick on the uptake.

安德烈说马特看起来不像是那种很快就能理解的人。

He doesn't seem like the kind who's very quick on the uptake.

他不像是那种理解能力很强的人。

To describe someone as " quick on the uptake" means they're a fast learner; they understand things very quickly.

将某人描述为“快速吸收”意味着他们学习速度很快；他们很快就能理解事情。

" Yes, " said Harry emphatically—why were they all so slow on the uptake, did they not realise how much a person bled when fangs that long pierced their side?

“很严重。”哈利强调地说——他们为什么领会得这么慢？难道不知道一个人被那么长的尖牙刺穿之后会流多少血吗？

I think there's a feeling from the defence industry side the governments have maybe been a bit slow on the uptake over this, but it's kind of slowly filtering through.

我认为国防工业方面萦绕着一种氛围，政府对此的理解可能有点慢，但它正在慢慢渗透。