| 1. | The sentries were all on the alert .
哨兵们都警戒着。 |
| 2. | The sentries alternated their watch .
哨兵轮流站岗。 |
| 3. | A sentry looked in .
有一个哨兵探头望了一下。 |
| 4. | We gave the watchword , and the sentinel let us pass .
我们说出口令，哨兵就把我们放过去了。 |
| 5. | The guard won't let anyone through the gate without a pass .
哨兵不让没有通行证的人通过大门。 |
| 6. | There was a knock at the door and a sentry put his head in .
门上响了一声，一个哨兵把头伸了进来。 |
| 7. | A lady in full feather approached the sentinel on the sward .
一个衣着华丽的女人走近了草地上的哨兵。 |
| 8. | Knowing that danger threatened, the sentry was on the alert .
因为知道危险势将发生，这哨兵加意戒备。 |
| 9. | At either end of the bridge a sentinel stood with rifle at ready .
桥的两头各有一名哨兵，荷枪实弹守卫着。 |
| 10. | At either end of the bridge a sentinel stood with rifle at ready .
桥的两头各有一名哨兵，荷枪实弹地守卫着。 |
