- 1.   C,U 
威胁;恫吓  -  
• He carried out his threat to make my secret public. 他威胁说要把我的秘密公开。 -  
• give in to terrorist threats 屈服于恐怖分子的威胁 - 2.   C,常用单 
征兆;凶兆  -  
• There is a threat of rain in the dark sky. 天这么阴暗,恐怕会下雨。 -  
• This constitutes a threat to national security. 这对国家安全是不祥之兆。 - 3.   C,常用单 
构成威胁之人;危险之物  -  
• a threat to world peace 对世界和平的威胁 -  
• Terrorism is a threat to the whole world. 恐怖主义是整个世界的祸根。