I was afraid to open the door lest he should follow me.

我当时害怕打开那个门惟恐他跟踪我。

《柯林斯英汉双解大词典》

You should follow up your phone call with an email or a letter.

你打电话后应该接着发一封电子邮件或写封信。

《牛津词典》

We should follow the traffic rules.

我们应该遵循交通规则。

youdao

He turned and made signs with his hands that I should follow him.

VOA: special.2010.07.17

You've got to keep going a little further because you should follow the logic.

你们要做到永远多走一步,因为你们要会推理

耶鲁公开课 - 基础物理课程节选

Does it follow from that that their experiences should not be taken as evidence of what the afterlife is like?

难道这就意味着,他们的经验不能成为证据证明,来生是什么样的吗

耶鲁公开课 - 死亡课程节选

Assuming the venture goes well, two manned missions (Shenzhou 9 and 10) should follow in 2012.

BBC: China ready for next space leap

Technology can and will make driving safer and drivers should follow distracted driving laws.

FORBES: Has Politics Trumped Truth?

The new Republican House majority should follow its historic pattern and resist bank pressures.

CNN: Banks want a favor -- at your expense