Being readily affected or responsive to stimuli or impressions; having keen sensitivity or susceptibility.
彼女は肌が敏感で、合わない化粧品を使うと赤くなる。
Her skin is sensitive, and it turns red if she uses cosmetics that don't suit her.
敏感な問題なので、扱いには注意が必要だ。
This is a sensitive issue, so it needs to be handled carefully.
彼は批評に対して非常に敏感に反応する。
He reacts very sensitively to criticism.