he city and the Commonwealth have lost a great leader.

　　這座城市和這個(gè)州失去了一位偉大的領(lǐng)袖。

　　Their contribution was of great worth.

　　他們的貢獻(xiàn)具有偉大的`意義。

　　We'll have a great time, you'll see.

　　你瞧著吧，我們會(huì)很開心的。

　　You've been a great help, I must say.

　　依我看，你真是幫了個(gè)大忙啊。

　　You're a great help, I must say!

　　我得說，你可沒少幫忙！