你应该权衡对方说话的语言、声调、姿势和手势，如果和你平时了解的或当时的语境不符，那你就应该注意了。

You should weigh rate of speech, tone of voice, posture, and hand gestures against what you know, along with the context of the situation.

youdao

作为企业领导人，如果你想鼓励沟通，那你需要注意自己的面部表情、音调，还有肢体语言。

Be conscious of your facial expressions, tone of voice and body language if you're a leader trying to encourage communication.

youdao

如果你的注意力一直很集中的话，那你肯定知道，我们已经做过这个工作了。

Well, if you were paying really, really close attention last time, you will notice that we have actually already done that.

youdao

But you actually need to keep a few caveats in mind as you do this, which is the fact that trends predict a lot of chemical properties, but they can't predict everything in terms of biological properties.

不过在你使用的过程中,需要牢记一些注意事项,那就是元素周期律可以预言很多化学性质，但是不能预言一切性质,比如生物学性质。

麻省理工公开课 - 化学原理课程节选