危及 wēijí to endanger
to endanger; to jeopardize; a danger (to life, national security etc)
How to remember 危及: 危 dangerous + 及 reach = to endanger.
Characters
How it is used
- 'To endanger / jeopardize / threaten' - takes a serious object: 危及生命 (wēijí shēngmìng) to endanger life, 危及国家安全 to threaten national security.
- A formal verb; 及 here means 'to reach/affect'. Note it's directly transitive (危及 + object), no 到 needed.