give out分发
break out发生
come out出来,出版
hand out分发
look out小心
put out扑灭
work out想出,解决
volunteer自愿做,义务做
volunteer to do sth自愿做某事
volunteer【n】志愿者
put off推迟
put on穿上
put down写下;记下
put away将某物收起来
put up张贴