sensitive about something—easily offended or worried about smth.:
- You really must stop being so sensitive about your accent.
sensitive to something—
1. susceptible or vulnerable to smth.:
- If the enamel of your tooth has worn to where the sensitive part of the tooth is exposed, it can make your tooth sensitive to cold.
2. showing a deep understanding of other people’s feelings, difficulties, etc.:
- We’re trying to make people more sensitive to the problems faced by working mothers.