deaden
/ˈdedən/verb
with obj.
1- make (a noise or sensation) less strong or intense减弱（噪声, 感觉）：
ether was used to deaden the pain.
乙醚被用来减轻疼痛。
1.1
- deprive of the power of sensation使麻木, 使无感觉：
diabetes can deaden the nerve endings.
糖尿病会使神经末梢麻木。
1.2
- deprive of force or vitality; stultify使无力, 使呆板, 使徒劳：
the syllabus has deadened the teaching process
大纲使教学过程变得呆板。
as adj. deadening a deadening routine.呆板的例行公事。
1.3
- make (someone) insensitive to something使（某人）麻木, 使（某人）迟钝：
laughter might deaden us to the moral issue.
嘲笑可能使我们在道德精神上麻木起来。
派生词