out of the question 不可能；办不到；无法接受

【例句】
It is totally out of the question to postpone the midnight deadline.
想要推迟午夜的最后期限是完全不可能的。

For the homeless, private medical care is simply out of the question.
对于无家可归的人而言，私人医疗纯粹是天方夜谭。