1.(statement of intent)威胁；恐吓
He may be forced to carry out his threat to resign.他可能会被迫把自己的辞职威胁付诸行动。
We mustn't give in to threats.我们决不能屈服于威胁。
2.(potential danger)凶兆；征兆；潜在危险
Don't take the threat of tropical storms lightly.不要轻视热带暴风的潜在威胁。
This was regarded as a possible threat to national security.这被视为对国家安全的潜在威胁。
3.(person or thing regarded as threat)构成威胁的人(或事物)；祸根
4.under threat
(in danger)受到威胁；处于危险中
His position as leader will be under threat at a party congress due next month.他的领导人地位会在下月预期举行的政党大会上受到威胁。