| 1. | He is engaged in his military studies . 他大概在琢磨他的军事问题吧。 |
| 2. | He is engaged in doing his french exercises . 他正忙于做法语练习。 |
| 3. | He is engaged in scientific research . 他从事科研工作。 |
| 4. | Some of the bigger firms are engaged in researches . 一些较大的公司从事了研究工作。 |
| 5. | The soldiers were engaged in hand-to-hand combat with the enemy . 战士们与敌人展开了肉搏。 |
| 6. | He is engaged in commerce . 他从事商业。 |
| 7. | He does wholesale business , while his brother is engaged in retail business . 他经营批发生意,他弟弟则经营零售生意。 |
| 8. | They talk about detente , but in actuality they are engaged in intense rivalry . 他们表面上和和气气,骨子里却进行激烈的争夺。 |
| 9. | Early-modern governments were engaged in a precarious hand-to-mouth living . 早期近代的政府也是过着不安定的,收入仅敷支出的日子。 |
| 10. | The young man had been engaged in an intrigue with a girl who played in touring companies . 这位年轻人过去曾和一个巡回剧团的女演员私通。 |