全部

1·For some unaccountable reason, the letter never arrived.

不知何故，那封信始终未寄到。《牛津词典》

2·For some unaccountable reason, it struck me as extremely funny.

很难解释是什么原因让我觉得它极为可笑。《柯林斯英汉双解大词典》

3·Economic policy should not be run by an unaccountable committee of governors of central banks.

经济政策不应该由中央银行行长组成的不负责任的委员会来施行。《柯林斯英汉双解大词典》

4·It was strange; it was wonderful; yes, it was unaccountable--so all said that heard it.

这是奇怪的；这是奇妙的；是的，这是不可思议的——所有听到的人都这么说。

5·However well they are policed, major protests reinforce the impression of indifferent elites, repression of debate, overreaction to dissent, injustice and unaccountable power.

不管他们管理得有多好，重大抗议活动都会加深人们对冷漠的精英阶层、对辩论的压制、对异见的过度反应、不公正和不负责任的权力的印象。

6·His mistake is quite unaccountable.

他的错误相当令人费解。

7·He had an unaccountable change of mind.

他莫名其妙地改变了主意。

8·I often suffer unaccountable headaches.

我经常莫名其妙头痛。

9·I often suffer from unaccountable headaches.

我经常莫名其妙地头痛。

10·I have an unaccountable dislike to my dentist.

我对我的牙医有种说不出来的厌恶。

莫名其妙的

1·Reading messed with my brain in an unaccountable way.

阅读以一种莫名其妙的方式弄乱了我的大脑。

2·Most are orphans that have, by some unaccountable means, survived.

他们大多是莫名其妙存活下来的孤儿。