A state of intense apprehension, uncertainty, and fear resulting from the anticipation of a threatening event or situation, often to a degree that the normal physical and psychological functioning of the affected individual is disrupted.

• 焦虑对威胁性事件或情况的预料而产生的一种高度忧虑、不安或害怕的状态，患者经常达到生理和心理功能障碍的程度