I should not leave my briefcase and camera bag unguarded.我不该把我的公文包和相机包留在那儿无人看管。The photographers managed to capture Jane in an unguarded moment.摄影师抓拍到了简不经意的瞬间。The museum was unguarded at night.这个博物馆夜里无人看守。...
Many parents find it hard to discourage bad behaviour.很多父母觉得要孩子循规蹈矩是件很难的事情。Like their children, parents are often defensive about their private lives.就像子女一样，父母也常常很注重保护他们的私生活。I managed to keep my parents in the dark about...