To lose feeling in a part of the body, often due to cold, or to become emotionally unresponsive.
The icy water quickly benumbed his hands, making it hard to feel anything.
冰凍的水迅速使他的手麻木,幾乎感覺不到任何東西。
To stun someone emotionally or mentally, making them unable to think or react.
The sudden loss of her job left her benumbed and unsure of what to do next.
她突然失業,感到麻木,不確定接下來該做什麼。