insensitive ((to));callous ((to));obtuse ((about))
- 美に対する無感覚
- a lack of sensitivity to beauty
- 彼は恥[侮辱]に対して無感覚である
- He doesn't seem to feel shame [insults] at all.
- 彼は人の苦しみに無感覚だ
- He is indifferent to other people's sufferings./He is 「callous to [unfeeling about] the sufferings of others.