worrywart

It's human nature to worry, but try not to be a slave to worrywart-ism (a serious challenge for me! ).

担忧是人类的本性，但是尽量不要让自己被自寻烦恼所奴役（对我而言那是一个严重的挑战！）

Don't be a worrywart. Everything's going to be fine.

别自寻烦恼，一切都会变好的。

Raghuram Rajan, a former IMF chief economist and professor at Chicago's Booth School of Business, is one worrywart.

RaghuramRajan先生，国际货币基金组织前首席经济学家和芝加哥布斯大学商贸学院教授，为此感到担忧。

Don't be a worrywart. Everything will be fine.

不要这样杞人忧天，一切都会变好的。

Don't be a worrywart! It's not a big deal!

别自寻烦恼！没什么大不了的！