The earlier protests had just been dress rehearsals for full-scale revolution.
早期的抗议仅仅是大革命开始前的预演。
《牛津词典》
2
So I can do this really simply with a scale or just with my own arms.
这个比较很容易就能完成，我可以用天平，或者直接用我的手臂就行了。
3
Getting angry when your time has been wasted is perfectly normal. It was just the scale of the reaction that was affected by the experimental manipulation.