If? If you feel worried, go to the hospital anytime, day or night.

你要觉得难受，无论白天黑夜都赶紧上医院来看。

youdao

If you see someone you know, don't avoid them because you don't feel like talking, or pretend not to notice them because you're worried the conversation will be stilted.

如果你看到认识的人，不要因为不想说话或因为害怕谈话不自然假装没看到他们而避开他们。

youdao

So let me guess... you're worried that if you have some confidence and feel good about yourself, people may think you are conceited.

让我猜猜，你正为此闷闷不乐- - -如果你有些许自信并觉得自己非常能干，人们会认为你是自大。

youdao

If you are worried that a laptop powered by a dozen lithium ion cells may burst into flames, how do you feel about cruising down the highway at 70 miles per hour in a car powered by 6, 000 of them?

FORBES: Magazine Article