起初，他们针对的是那些迟钝和麻木的动物。

At the beginning they met with much stupidity and apathy.

她的动作显得很迟钝。

Her movements appear very slow.

这个孩子在学习上有些迟钝。

This child is somewhat slow in learning.

他的动作因疲惫而显得迟钝。

His movements were leaden with exhaustion.

由于疲劳，他的思维变得迟钝。

Due to fatigue, his thinking has become slow.

他的触觉因为受伤而变得迟钝。

His sense of touch became dull due to the injury.

感冒时，我的味觉变得迟钝了。

My sense of taste becomes dull when I have a cold.

这个工具有点迟钝，需要磨一下。

This tool is a bit slow and needs sharpening.

他的反应有点迟钝。

His reactions are a bit slow.

新政策旨在改善智力迟钝的人的生活。

The new policy aims to improve the lives of retarded people.