I'm trying to keep straight.

我努力做到为人正直老实。

youdao

I guess. It's just hard to keep straight what time these trains leave.

我想是的，只是很难确定这些火车什么什么出发。

youdao

The Ptolemies are easier to keep straight because they tended to all be named Ptolemy.

托勒密家族比较容易区分，因为他们都叫托勒密。

youdao

You can see that as you fill up your periodic table, it's very clear. But also we'll tell you a pneumonic device to keep that in mind, so you always remember and get the orbital energy straight.

在你们填周期表的时候，非常清楚但是我们也要告诉你们,一个策略去记住它，所以你们总是记得,并得到连续的轨道能量。

麻省理工公开课 - 化学原理课程节选

And you can use mnemonics to try to keep these straight I see the T as sort of a plus sign.

你可以使用记忆术来记清它们,我将T看成是加号。

麻省理工公开课 - 固态化学导论课程节选

I don't know how you want to try to keep those straight but anyway.

我不知道你们要怎样把事情记清楚,但，不管怎样。

麻省理工公开课 - 固态化学导论课程节选

That is a lot to keep straight over several years or decades.

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He instructs runners to keep a straight upper body and a "crunch" going in their lower abdominal muscles.

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It's really hard to keep them straight or develop an interest in them.

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