The scientist most likely to understand the safety of a nuclear reactor, for example, is a nuclear engineer who declares that a reactor is unsafe.(例如，最有可能理解核反应堆安全性的科学家是宣称反应堆不安全的核工程师。)
Olivieri believed the drug was unsafe and ineffective.(奥利维埃里认为这种药物不安全且无效。)
It was considered unsafe to release the prisoners.(释放这些囚犯被认为是危险的。)
Twelve regions were listed as unsafe on Wednesday; on Thursday, eight remained.(周三，12个地区被列为不安全地区；到了周四，只剩下8个。)
They said the drugs were unsafe and ineffective.(他们曾说这些药物不安全，是无效的。)
WRECK】The building was wrecked because it was unsafe.(这栋建筑因为不安全被拆毁。)
The young men were assessed as either safe or unsafe drivers.(这些年轻人被评定为谨慎驾驶员和不谨慎驾驶员两类。)
The tanker was overloaded and unsafe.(油罐车出现了超载，而且不安全。)
Workers have the legal right to refuse certain unsafe work assignments under two federal laws, the Occupation Safety and Health Act and the National Labor Relations Act.(根据两项联邦法律，即《职业安全与健康法案》和《国家劳动关系法案》，工人有权拒绝某些不安全的工作任务。)
Critics claim the trucks are unsafe.(批评者声称这些卡车很危险。)
