apprehensive
🇺🇸
/ˌæprɪˈhensɪv/
🇬🇧
/ˌæprɪˈhensɪv/
Feeling nervous or anxious about something that might happen.
I felt apprehensive when I had to give a speech in front of the class.
我在班上發表演講時感到憂慮。