adjective · being in a state of nervous tension and easily startled or frightened

自从事故发生后，他变得神经过敏，一听到刺耳的声音就惊慌失措。

verb · reacting excessively or being overly suspicious in response to minor events or perceived slights

别那么神经过敏，他只是随口开个玩笑，并没有针对你。