a great at的用法和样例：
- Klose, on the other hand, is great at getting on the end of crosses and has a great leap.
- We had a great nosh-up at Bill's wedding.
- The car was moving at a great lick.
- She is always a great draw at social parties.
- He is a great guy, a chip off the old block.
- She's great at tennis, chess, etc.
a great at的相关资料：