他太迟钝，缺乏想像力。

He's so slow, so unimaginative.

那位头脑迟钝的采访者未能即刻抓住他所说的话顺势发问。

The slow-witted interviewer failed to pounce on his remarks.

她反应迟钝/灵敏。

She is slow/swift to respond.

然而迟钝的（稳健的？）

However slow (steady?)

他们叫我"反应迟钝的汤姆"。

They call me "Slow Tom".