Intelligent Security Alarm System: One but unsafe incidents, can be manual or automatic alarm.

an unsafe conviction

证据不足的定罪

The roof was declared unsafe.

已宣布屋顶有安全隐患。

Human cloning is unsafe.

人的克隆是不安全的.

The water supply is unsafe.

供水不稳定。

unsafe sex (= for example, sex without a condom )

不安全的性行为

The earthquake weakened the building and made it unsafe.

地震使得那栋建筑物的结构变弱,让它变得危险.

Many people feel unsafe walking alone at night.

很多人觉得一个人走夜路不安全。

Their convictions were declared unsafe.

先前给他们的定罪已经宣布证据不足。

He felt unsafe and alone.

他感到又危险又孤单。

water that's unsafe to drink

不能安全饮用的水

She was also warned it was unsafe to run early in the morning in the neighbourhood.

她还被告诫大清早在附近跑步是不安全的。

The building is unsafe.

那栋大楼不安全。

Any unsafe act or condition should be reported promptly to your immediate supervisor.

任何危及安全的行为或状况都需要马上向您的主管报告.

The bitterest tear shed over graves are for words left unsaid, and deeds left undone.

最痛苦的泪水从坟墓里流出, 为了还没有说出口的话和还没有做过的事.

With everything said as if unsaid, we are locked in love.

无论一切说了还是没说, 这就是一首情歌.

Behind the silence is often the pain can not be unsaid.

沈默的背后往往是无法说出口的痛苦.

It was what she left unsaid that worried me.

叫我担心的是她觉察到而未说出的.

It means she cannot be held accountable for anything she might have said, or indeed, unsaid.

这意味着她可以不承担任何责任,她也许会说, 甚至, 埋在心底.

What is said cannot be easily unsaid.

话已出口,很难收回.

Some things are best left unsaid.

有些事情,无声胜有声.