a great gun的用法和样例：
- Lord Dumbly was a great gun some fifty years ago.
- They have engaged a great gun for their meeting tonight.
- He is a great guy, a chip off the old block.
- It was a great blow to her when her mother died.
- The storm did a great deal of material damage.
- A great poet is a master melody.
a great gun的相关资料：