Who knows?
1.天晓得;谁知道呢;
有两种用法:直接用Who knows?,也可以在Who knows+宾语从句
2.发音技巧
3.使用语境
用法1:
例句:Who knows? It might be the beginning of a beautiful relationship.
也许这会是一段良好的人际关系的开端,谁说得准呢?
例句:Tom: What would you have done if you had been a superman?
如果你是超人,你会做什么?
David: Who knows? I might have been the one who had saved the earth.
谁知道呢?也许我会是那个拯救了地球的人。
用法2:With two good eyes, who knows what he might have done.
若双眼完好,天知道他也许能做出什么来。