注意您加速时的跑姿，保持顺畅，有力(但不是紧张)。

Concentrate on your form, staying smooth and strong (but not straining) as you accelerate.

youdao

看看你将在数学、科学、社会科学、语言领域涉及到的主题- - - - - -但不要对所看到的内容感到紧张或退怯。

Take a look at the topics you'll cover in math, science, social science, and language areas — but don't get nervous or overwhelmed by what you see.

youdao

腿部肌肉不但不能松驰，反而紧张抽动。

Instead of relaxing, your leg muscles twitch.

youdao

The notion of a self-assured experimenter-- The results would be very different if the experimenter himself seemed nervous, unwilling to proceed, confused, but he was confident and he kept saying that he will take responsibility.

还有电击者的自信程度-,实验结果会大为不同，如果电击者,紧张，不愿进行电击，迷惑，但电击者很有信心，不停地说,他会承担责任。

耶鲁公开课 - 心理学导论课程节选