当他受伤时，他感觉不到疼痛。

When he was injured, he was insensible of pain.

youdao

可能钟声为他而鸣的那个人已经病入膏肓，以至于他感觉不到钟声在为他鸣。

PERCHANCE he for whom this bell tolls may be so ill as that he knows not it tolls for him.

youdao

他在潮湿的苔藓上爬着，衣服湿透了，身子冻得发抖，可是他感觉不到这些，他对食物的渴望是如此的强烈。

He squirmed over the wet moss, saturating his clothes and chilling his body; but he was not aware of it, so great was his fever for food.

youdao

So when we say, he says invisible things can't be destroyed, he means the things that you can't see or touch or hear or feel, whatever it is, see, touch, smell, taste.

所以当我们说，他说无形的东西不可毁灭，他的意思是你看不见摸不着,听不见也感觉不到的东西，看，摸，问，尝所有这些。

耶鲁公开课 - 死亡课程节选