situational       
adjective /ˌsɪtʃ.uˈeɪ.ʃən.əl/ /ˌsɪtʃ.uˈeɪ.ʃən.əl/
 情景的
related to or changing with a particular situation 
  We must continually improve security, and maintain a high level of situational awareness.
 Stand-up comics are great users of situational humour. 单口相声演员是情景式幽默的大师。 
 - More examples
 - Situational depression is just how it sounds - depression based on what is going on in your life.
 - We need to judge how far situational factors might have influenced the two assessments.
 - Teenagers aged 15-17 have a greater ability to adjust emotional responses according to situational demands.