work (yourself) up
to make yourself excited or upset.
You've worked yourself up over just meeting a girl for a drink?
I can't work up any enthusiasm for this plan.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。