形容詞 insensitive:

1. not responsive to physical stimuli
2. deficient in human sensibility; not mentally or morally sensitive

1. I was annoyed by his insensitive remarks.
   我聽了他那些沒分寸的話，心里很不痛快。
2. It bothers me that he can be so insensitive.
   他這樣麻木不仁，我心里很不痛快。
3. He is insensitive to the environment.
   他對環(huán)境感覺不敏銳。

in.sen.si.tive

adj.（形容詞）
Not physically sensitive; numb.
無生理感覺的；麻木的

Lacking in sensitivity to the feelings or circumstances of others; unfeeling.
不敏感的，麻木不仁的：對他人的感情或情況缺乏敏感性；缺乏感覺的
Lacking in responsiveness:
缺乏反應的：
例句：
insensitive to the needs of the customers.
對顧客的要求不敏感

【引伸】
insen.sitively
adv.（副詞）
insen.sitiv.ity 或
insen.sitiveness
n.（名詞）