1.
He was demoted from sergeant to corporal.
他由中士降到下士.
2.
I demoted the soldier from sergeant to corporal
我将那名士兵从中士降为下士。
3.
The corporal and two soldiers had come up in the meantime.
这时下士和两个士兵走过来了。
4.
the ranks (privates,corporals,etc,not officers)
士兵（即二等兵、下士等,非军官）
5.
They promoted the corporal to sergeant.
他们把这个下士提升为中士。
6.
The corporal will relieve the sentry in an hour.
下士一小时后接替卫兵。
7.
I was tired of being chivied along by the corporal
我讨厌那下士催我。
8.
Good afternoon, Dr. Ford.
下午好，福特博士。
9.
a sergeant in the army above the rank of staff sergeant and below master sergeant.
军队中，军衔在参谋军士之上和军士长之下的士。
10.
Often women's orders are taken before men's.
一般的情况下，女士要先于男士点菜。
11.
A Penny sav'd is Two pence clear
省下一便士等于不折不扣赚了两便士。
12.
The nurse is released from duty at seven o' clock.
护士七点钟就下班了。
13.
The fighter plane dived on the soldiers.
战斗机向士兵俯冲下来。
14.
There's a bus stop on the next block.
下一条街有个巴士站。
15.
The soldiers undermined the wall.
士兵们在墙下挖洞。
16.
He handed the lady into / out of the car.
他扶那位女士上／下车。
17.
The soldiers reduced the castle By fire.
士兵们用炮火攻下城堡。
18.
The midwife delivered the baby.
助产士接生下这个婴儿