vt.

1. 緩和；使變弱；消除
   Two of these pills will deaden the ache.

   服兩粒丸藥就會緩解疼痛。

2. 使麻木，使無感覺
   The dentist deadened the nerve with novocaine.

   牙醫用奴佛卡因麻醉神經。

3. 使（牆等）吸音（或隔音）
   Thick walls deaden noise.

   厚牆隔絕嘈雜聲。

vi.

1. 變得死一般；緩和；變弱

v.

1. make (a noise or sensation) less intense.
   ▸make insensitive.
2. deprive of force or vitality.