for what I can tell

• 据我所知

for what I can tell的用法和样例：

例句

1. He may have been murdered, for what I can tell.
   据我所知，他可能已经被杀害了。
2. As far as I know there is a quiz program on TV.
   据我所知，电视上有一个知识竞赛节目。