| 1. | Students are banging away at their homework .
学生专心做功课。 |
| 2. | We were banging away at the enemy .
我们乒乒乓乓向敌人射击。 |
| 3. | The guns banged away all day .
枪炮声整天响个不停。 |
| 4. | The militiamen were banging away at the hand its
民兵们啪啪地不断向土匪射击。 |
| 5. | And bang away at the same instant like a firing squad
就像执行枪决时一样 |
| 6. | The brass band is banging away in the park
铜管乐队在公园里吹吹打打。 |
| 7. | They banged away at the enemy
他们砰砰地射击敌方。 |
| 8. | The guns banged away all day
枪炮声整天响个不停 |
| 9. | The guns were banging away
枪砰砰地打。 |
| 10. | He kept banging away at his work day by day , until eventually the project was finished
他天天孜孜不倦地埋头苦干，直到工程竣工为止。 |
