psych someone up

• vt. 使某人很兴奋；让某人对某事做好心理准备

psych someone up的用法和样例：

例句

用作及物动词 (vt.)

1. Someone is likely to be upset if you are fickle or lack dedication and loyalty.
   你的变幻无常或者缺乏奉献和忠诚会让某人很失望。
2. I surprise someone with a gift.
   礼物使某人很惊讶。