单词：for all one knows
(表示感兴趣)说不定…,…也未可知
for all one knows的用法和样例：
例句
- I'll sit up for a time, in case I may be wanted.我先不睡，说不定会通知得着我。
- For all I know she's still living in Boston.说不定她还住在波士顿。
- It might have been tomato soup for all we know.这是番茄汤亦未可知。
- When you are ill make haste to forgive you enemies, for you may recover.当你有病之际，赶快宽恕你的仇人吧，因为你可能复原也未可知。