我从未见过如此无私地关心孩子的人。I've never known anyone who cared so selflessly about children.你无私地帮助了我们.It was unselfish of you to help us.她永远不能像她们那样无私地爱什么事业或什么人.She could never love anything or anyone so selflessly as they did....
The lift started off, juddered, and went out of action.电梯开动了，接着剧烈震颤起来，然后就毫无反应了。They were trapped after the lifts went out of action.电梯出现故障，他们被困在里面了。I'm out of action with a sore back.我因背痛而不能工作....