By listing what you need to do on any special day, you can make sure to keep all for your appointments and not worry whether you've forgotten something.

把你在任何一个特别的日子需要做的事情列出来，你就能确保你的约会都按时完成，而不用担心你是否忘记了一些事情。

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Others worry whether legal standards are upheld in private.

其他人则担心法律标准私下里能否得到维持。

youdao

Don't worry whether or not they finally understand you.

不必担心他们最终会不会理解你。

youdao

The letter expressed worry whether the event in India will match the standards set by the last two cities to host them Manchester in 2002 and Melbourne in 2006.

VOA: standard.2009.09.14

So I'm not going to worry whether this item is a vase or a watch or painting I'm just going to say it's the n'th element.

所以我不用担心这个物品,是花瓶还是手表或者油画,我只要说这是第n个元素就好。

麻省理工公开课 - 计算机科学及编程导论课程节选

since all the information is in the current price, you don't have to worry about whether it went up or down yesterday, to decide what it's going to do today.

因为当前价格代表了所有信息，你就不需要去考虑昨天股价,是涨了还是跌了，再去判断它今天的价格会怎么变化。

麻省理工公开课 - 计算机科学及编程导论课程节选

Before today, customers had to worry whether the Bloom boxes would last a long time.

FORBES: Bloom Energy's New Pay-For-Power Plan Opens Big Markets

They also worry whether this can lead to abuse of officials' powers in the name of religion.

CNN: Letters

They worry whether Mexico's democratic institutions would be strong enough to impose restraints on his power should he become president.

ECONOMIST: Politics in Mexico