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，最有可能理解核反應堆安全性的科學家是宣稱反應堆不安全的核工程師。)

Olivieri believed the drug was unsafe and ineffective.(奧利維埃里認為這種藥物不安全且無效。)

It was considered unsafe to release the prisoners.(釋放這些囚犯被認為是危險的。)

Twelve regions were listed as unsafe on Wednesday; on Thursday, eight remained.(周三，12個地區被列為不安全地區；到了周四，只剩下8個。)

They said the drugs were unsafe and ineffective.(他們曾說這些藥物不安全，是無效的。)

WRECK】The building was wrecked because it was unsafe.(這棟建筑因為不安全被拆毀。)

The young men were assessed as either safe or unsafe drivers.(這些年輕人被評定為謹慎駕駛員和不謹慎駕駛員兩類。)

The tanker was overloaded and unsafe.(油罐車出現了超載，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.(根據兩項聯邦法律，即《職業安全與健康法案》和《國家勞動關系法案》，工人有權拒絕某些不安全的工作任務。)

Critics claim the trucks are unsafe.(批評者聲稱這些卡車很危險。)