Definition: the possibility that something bad will happen Level: C2
邻国入侵的威胁持续存在。
There is a constant ___threat of invasion from neighboring countries.
核武器的威胁自此已发展成一种常态。
The ___threat of nuclear weapons has since grown into a constant condition.
气候变化对全球粮食安全构成严重威胁。
Climate change poses a serious ___threat to global food security.
