threats

例句:

• Bookshelves groan under the burden of books on threats to the environment.
  书架上摆满了有关环境威胁的书，不堪重负。
  来自柯林斯例句
• They need to re-evaluate how they are approaching threats.
  来自VOA
• Forget shrinking nest eggs or threats to Social Security.
  来自WSJ
• Those who issued threats were seen as more poised.
  来自WSJ
• They sent death threats and daubed his home with slogans.
  他们向他发出了死亡威胁，还在他家的墙上涂满了标语。
  
• It is too early to say whether the threats are mere sabre-rattling.
  现在断言这些威胁是否只是虚张声势还为时过早。