如果你担心孩子的某些健康问题，就给我们打电话。

If you are worried about some aspect of your child's health, call us.

《柯林斯英汉双解大词典》

如果你担心距离问题，这和美国不是一样的问题吗？

If you are worried about distance, isn't that the same problem with the States?

youdao

如果你担心弄丢钥匙或忘记名字，这里有一些方法可以帮到你。

If you are worried about losing keys and forgetting names, here are some ways for you.

youdao

When you don't have to worry about criteria like that ordinary, mechanical energy rules supreme, and that's dictating where equilibrium lies.

如果你不担心像这样的要求,通常的机械能就占据主要地位，并且决定平衡位于何处。

麻省理工公开课 - 热力学与动力学课程节选

And if it goes up 6 percent, well you'll go up 10 percent or more, and if it goes down, don't worry, I'm so smart your stocks won't go down.

如果股市涨了6个百分点，你可以转到10以上的百分点，如果股市跌了，你也不用担心，你选择的人会保证你买的股票不会跌。

麻省理工公开课 - 计算机科学及编程导论课程节选

So you're worried that if there isn't some degree of redistribution of some or left at the bottom, there will be no genuine equality of opportunity.

所以你担心,如果没有一定程度的再分配,照顾社会底层，就不会有名副其实的机会均等。

耶鲁公开课 - 公正课程节选