不安全感

例句：

1. 1. She felt a deep sense of unease when she arrived at the airport.
   她到达机场时感到深深的不安。
2. 2. The lack of security measures has left many people feeling insecure.
   缺乏安全措施使许多人感到不安全。
3. 3. He was so nervous that he couldn't help but feel uneasy about the upcoming meeting.
   他如此紧张以至于对即将到来的会议感到不安。