A:To be a revolutionary needs great courage!
要当革命者需要有勇气呀。
B:He must be courageous enough to fly in the face of established authorities.
他得勇敢向权威挑战。
A:Galileo is one of them.
Galileo就是其中之一。
B:So are Copernicus and many others.
Copernicus,还有许多其他人也是。
注释:
fly in the face of
动词fly有“急行,迅速走动”的意思,fly in the face of表示“悍然不顾,公然违抗”,有时候也用作“与......完全相反”。