the news that his family were safe and sound in the flood put the old man ---- ease 为什么不
问题描述：
the news that his family were safe and sound in the flood put the old man ---- ease 为什么不
能用at relief
答
at ease是随意放松的意思,这是一个固定短语,英语里没有 at relief的短语.整句话的意思就是,听到他的家人在洪灾里安然无恙这个消息,老人放心了.