fusspot

noun

1. 大惊小怪的人；好挑剔的人；爱吹毛求疵的人
   a person who is often worried about unimportant things and is difficult to please

1. Sit down and stop being such a fusspot, karen.
   坐下来吧，别这样难伺候，卡伦。

noun

1. thinks about unfortunate things that might happen

   Synonym:    worrierfuss-budgetworrywart