The roof was declared unsafe.
已宣布屋顶有安全隐患。
It was considered unsafe to release the prisoners.
释放这些囚犯被认为是危险的。
unsafe sex(= for example, sex without a condom )
不安全的性行为
He felt unsafe and alone.
他感到既危险又孤单。
Their convictions were declared unsafe.
先前给他们的定罪已经宣布证据不足。
1.不安全的,不安稳的,危险的
1.dangerous
2.involving great risk, for example the risk of losing something or of being harmed
3.unsafe sex is sex that people have without protecting themselves against diseases or the possibility of becoming pregnant
1.Part of the reason this level of aggression is possible is that the JVM is able to make potentially unsafe optimizations where necessary.
这一层级的侵略性（aggression）是可能存在的，部分原因在于JVM会在必要时做一些潜在不安全的优化。
2.No matter the result of the verification, continuing under potentially unsafe security parameters is entirely up to the developer.
不管验证结果如何，是否继续使用一些可能不安全的参数也完全取决于开发者。
3.He tried to overrule protests by the presidential plane's pilot, that the trip into a war zone was unsafe.
他试图不顾总统专机驾驶员关于飞入交战地带是不安全的抗议。
4.Ultimately, the scan taken on the boy's brain may have exposed him to unsafe levels of radiation, which build up in the body with each scan.
结果，对孩子大脑的扫描可能已经把孩子置于非安全的辐射水平之中了。随着每次扫描的实施，这种辐射在体内积累起来。
5.It's unsafe for her to go alone.
她单独去是很危险的。
6.Good pork color was pink or red, unsafe pork is often dark red or purple color.
好的猪肉颜色呈淡红或者鲜红，不安全的猪肉颜色往往是深红色或者紫红色。
7.But what happens when the familiar becomes unsafe, when the fear that we have been desperately trying to avoid finds us where we live?
但是当熟悉的环境变的不安全，当顾虑到疯狂的尝试逃避掉被找到的命运……
8."The chamber gained the strong impression that the trial was being held in an atmosphere where witnesses felt unsafe, " he said.
奥列说：“本法庭强烈感觉到，审判进行时的氛围让证人感到不安全。”
9.Before you display a user's input, store it in a database, or work with it, check that it does not contain potentially unsafe information.
显示用户的输入、将其存储在数据库中或使用它之前，请确定它没有包含可能的不安全信息。
10."We do not place Peace Corps volunteers in unsafe environments, " he said.
“我们不会将和平队的志愿者投放于不安全的环境中，”他说道。