case造句

He actually became convinced that the nurses had an unanswerable case.
他实际上已经相信了护士们的情况确实如此。

He put the case to the Saudi Foreign Minister.
他把这起事件向沙特外长作了说明。

It's not a case of whether anyone would notice or not.
这不是会不会有人注意到的问题。