例句:

　　Are you coming outside for a smoke?

　　你是不是出來抽支煙？

　　No the interest of safety, smoking is forbidden.

　　禁止吸煙，以策安全。

　　I panicked when I saw smoke coming out of the engine.

　　我看見發(fā)動機冒煙時，嚇得手足無措。