stuns , stunning , stunned
If you are stunned by something, you are extremely shocked or surprised by it and are therefore unable to speak or do anything.
He's stunned by today's resignation of his longtime ally.
他长期的助手今天辞职了,对此他深感震惊。
If something such as a blow on the head stuns you, it makes you unconscious or confused and unsteady.
Sam stood his ground and got a blow that stunned him.
萨姆站在原地,被一下打昏了。