This is discussed in detail in the textbook Don't panic if you don't get it quite now.

这在教材中已有详细的叙述,如果一下子理解不了也不用担心。

耶鲁公开课 - 心理学导论课程节选

If you're in that category, don't panic, you're going to get it.

如果你属于这种人，别灰心，你会成功的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you have not seen the calculus that I'm about to use on the board, or more likely, if you've forgotten it since high school, don't panic.

如果你们没有见过我将要,在板书上写的表达式,或者说,高中毕业你们就忘了,没关系

耶鲁公开课 - 博弈论课程节选

We can't say this enough: Don't panic over it.

CNN: So, about that asteroid near Earth ...

If your child has been exposed to one of the recalled toys, don't panic.

CNN: How to take away recalled toys with fewer tears

"We don't want to panic people, " West Hollywood Councilmember John Duran said.

WSJ: West Hollywood officials warn of meningitis