他们对四名候选人各自的优点作了比较。

They weighed up the relative merits of the four candidates.

《牛津词典》

直到她被降职之后，才有人开始对她的工作说三道四。

There was no criticism of her work until after she was downgraded.

《柯林斯英汉双解大词典》

她已四天不见踪影，大家对她的安全很担心。

She hasn't been seen for four days and there is concern for her safety.

《牛津词典》

It shows an assessment of reading proficiency levels in fourth grade.

这项研究对,四年级同学的阅读熟练程度。

麻省理工公开课 - 媒体、教育、市场课程节选

So, if we want to figure out the formal charge on the carbon, we need to take the number of valence electrons, so that's 4. We need to subtract the lone pair, what number is that? It's 2.

如果我们想算出碳原子的形式电荷，我们需要将价电子的个数，也就是四，减去孤对电子的个数，它是多少？是二。

麻省理工公开课 - 化学原理课程节选

These studies were done in France with four-day-old babies.

这些实验在法国对四天大的婴儿进了研究

耶鲁公开课 - 心理学导论课程节选