形容词是psychological，中文意思是adj. 心理的，精神的心理学的，关于心理学的由焦虑（或悲伤）引起的，存在于心理上的

There was a vast distance between psychological clues and concrete proof.心理线索和现实证据之间存在着巨大差距。

Victory in the last game gave them a psychological advantage over their opponents.