adj.不安全的；危險(xiǎn)的；靠不住的
The auto- maker recalls a lot of cars that are unsafe. 汽車制造商召回許多不安全的車輛。
It's unsafe for her to go alone. 她單獨(dú)去是很危險(xiǎn)的。
The bridge is absolutely unsafe! 這座橋絕對(duì)是危險(xiǎn)的!
