擂台的英文：
arena
"True, Hong Kong has enjoyed its own counterpart of the Speakers' Corner for a long time."
是的，类似演说角落形式的"擂台"，香港早已有之。
n. 圆形运动场，圆形剧场；竞争场所，活动场所
The athletes marched around the arena.
运动员绕场一周。
The arena was bathed in warm sunshine.
竞技场沐浴在温暖的阳光中。
A member of congress works in the political arena.
国会议员在政界活动。
He translated the fight to the public arena.
他把格斗转移到公共竞技场。
Men fought with lions in the arena of the great amphitheater at Rome.
在罗马一所大圆形剧场内的竞技场，人们与狮子搏斗。