1、volunteer
志愿者;义务工作者;义工
She now helps in a local school as a volunteer three days a week.
目前她在当地的一家学校做志愿工作，一周去3天。
Mike was a member of the local volunteer fire brigade.
迈克是当地消防队的一名志愿消防员。
自告奋勇者;主动做事者
Right. What I want now is two volunteers to come down to the front.
好了，现在我需要两个自告奋勇的人到前面来。
Any volunteers?
有没有人自告奋勇？
主动提供（信息）
The room was quiet; no one volunteered any further information.
房间很安静，无人主动提供更多的信息。
'They were both great supporters of Franco,' Ryle volunteered.
“他们都是佛朗哥的忠实支持者，”赖尔主动说道。
志愿兵;义勇军
They fought as volunteers with the Afghan guerrillas.
他们作为志愿军和阿富汗的游击队员并肩作战。
Victory in the civil war had been achieved by a mainly volunteer army.
一支主要由志愿军组成的队伍取得了内战的胜利。
2、instruction
指示;命令
Two lawyers were told not to leave the building but no reason for this instruction was given.
两名律师被告知不得离开大楼,但对这一命令并没有提供任何理由。
教学;讲授
Each candidate is given instruction in safety.
向每位申请人都讲授了安全知识。
All schoolchildren must now receive some religious instruction.
现在所有的在校儿童都必须接受一定的宗教教育。