cast doubt on

• vt. 使人对 ... 产生怀疑

cast doubt on的用法和样例：

例句

1. The lack of facilities for elderly people has cast doubts on the whole of the redevelopment scheme.
   缺乏给老人们的设备，这使人对整个重新发展计划产生怀疑。
2. The latest scientific discoveries cast doubt on earlier theories.
   科学上的最新发现使我们对以前的学说产生怀疑。