an unexpected visitor

The wind whipped across the plain.

大风席卷平原.

[单数]Police officers must be prepared for the unexpected.

警察必须随时准备应付意外事件。

The experiment produced some unexpected results.

这次试验产生了一些意想不到的结果。

His death was totally unexpected...

他的死亡完全出乎意料。

an unexpectedly large bill

出乎意料的高额账单

an unexpected result

意想不到的结果

He made a brief, unexpected appearance at the office...

他出乎意料地在办公室露了一下脸。

Not unexpectedly, most local business depends on tourism.

并非出人意料的是，当地的大部分生意依靠旅游业。

She almost gasped aloud in the shock of its unexpectedness.

这个突如起来的念头几乎把她震动得要大声喘息起来.

Do you have any unexpired contract or service agreement with your present employer?

与现任雇主的合同或服务期协议是否到期?

A phobia is an irrational and often unexplainable fear that causes an uncontrolable physical reaction.

恐惧症是一种不理性及通常很难解释的恐惧,它会引起一起无法自我控制的生理反应.

An unexplainable aroused from my heart.

我的心里有种莫名的感动.

The gross attack that followed was brutal and unexplainable.

接下来就是不分青红皂白的粗暴殴打.

He has noticed excessive sweating and unexplained tiredness.

他体会到过度的出汗和难以解释的疲倦.

Unexplained and long time weight loss.

原因不明的较长时间体重减轻.

The diagnosis of unexplained insomnia may involve testing in a sleep laboratory using polysomnography.

诊断失眠及其他睡眠障碍的关键是病史和睡眠实验室监测.

The demonstrations were provoked by the unexplained death of an opposition leader...

一位反对派领袖莫名身亡，引发了示威游行。

an unexplained mystery

解释不清的奥妙

We were told you had an unexplained death here.

他们告诉我们这里发生了一件无法解释的死亡事件.

Endocarditis should be considered in any patient with an unexplained fever and a heart murmur.

任何一个出现不明热和心脏杂音的病人都应考虑是否有心内膜炎.