It was a very frightening experience and they were very courageous.那是一次让人胆战心惊的经历，而他们表现得非常勇敢。You're brave and courageous. You can make it.你勇敢无畏，一定会获得成功。a very courageous decision十分勇敢的决定...
该城市中许多楼房都存在事故隐患。A lot of the city's buildings are accidents waiting to happen.在楼房林立的地区降低最高车速限制to reduce the speed limit in built-up areas楼房的施工因天气恶劣而停了下来。Work on the building was impeded by severe weather....