We are now engaged in a great and most glorious cause, never undertaken by our forefathers.
我們正在做我們的前人從來沒有做過的極其光榮偉大的事業。
The secret in word "做" was just made out 出來了.
Not long ago I was confused by this word with 作 sometimes.
Now there is a way to solve the mystic connection with English. My breakthrough book is looming
