Adjective:

1. not to be accounted for or explained;

   "perceptible only as unaccountable influences that hinder progress"
   "an unexplainable fear"
   

2. free from control or responsibility

For some unaccountable reason, the letter never arrived.

不知何故，那封信始终未寄到。

Too many government departments are unaccountable to the general public.

有太多的政府部门不对社会大众负责。

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

不知道为什么，我觉得这极其滑稽。

He had an unaccountable change of mind.

他莫名其妙地改变了主意。

Economic policy in Europe should not be run by an unaccountable committee of governors of central banks.

欧洲经济政策不应由不负责任的央行行长委员会来执行。

...an arrogant, unaccountable police chief.

傲慢自大、不负责任的警察局局长

An insane person is unaccountable for his actions.

精神病患者对其行为不负任何责任.

I would no longer uncomplainingly accept their barbs or allow their unaccountable power to go unchallenged.

我不会再毫无怨言地洗耳恭听他们带刺的话,或让他们的不负责任的权力不受到挑战.

He is unaccountable for the error.

他对这个错误没有责任.

His mistake is quite unaccountable.

他的错误相当令人费解.

I have an unaccountable dislike to my dentist.

我对我的牙医有种说不出来的厌恶.

As he worked a sudden and unaccountable terror took possession of him.

在干活的时候不知怎么他突然感到毛骨悚然起来.

For some unaccountable reason, the letter never arrived.

不知何故, 那封信始终未收到.

It was altogether extraordinary and unaccountable.

这实在出人意料,实在无法形容.

I often suffer from unaccountable headaches.

我常莫名其妙地头疼.

Perceptible only as unaccountable influences that hinder progress.

只能理解为隐藏在进步后面的无法解释的影响力.

It merely reinforces the idea that China is stridently nationalistic and unaccountable.

这只能让人们加深对中国不可理喻的民族主义,并一意孤行的印象.

What gives unaccountable agents the right to do that, statesmen and business leaders ask.

政治家和商界领袖们常常质问,无需负责的机构为什么有权这么做.

No accident must ever help the detective, nor an unaccountable intuition which proves to be right.

侦探不得用偶然事件或被证明为正确的不负责任的直觉来侦破案件.

Rosanna had returned to the house in a very unaccountable state of mind.

罗珊娜回到家里,那份心情奇怪极了.

The driver was held unaccountable for the accident.

那位司机对这次事故没有责任.

My friendship for him is as strange and unaccountable as his for me.

我对他的友情跟他对我的一样不可思议,一样说不出一个所以然来.

It's most unaccountable that we should never have known you.

实在不可思议,我们怎么会一直不认识你.

She instantly felt that she was the greatest simpleton in the world unaccountable and absurd!

她当即感到她是世界上最大的笨蛋,真是荒唐至极,不可思议.

The problem of unaccountable company leaders has a long history.

公司领导层不负责任的问题由来已久.

An organisation exempt from either of these disciplines represents an unaccountable concentration of power.

一个组织若不受这两种规则限制,便代表了不负责任的权力集中.

There were some unaccountable gaps in his story.

他讲的话有些地方连贯不起来.

You are an unaccountable being, Deerslayer.

你这人真叫人摸不透, 杀鹿人.

Mr. Gradgrind never could make out how it yielded this unaccountable product.

葛擂硬先生绝对不能发现为什么会得到了这个莫名其妙的答案.