To endanger something or someone means to put them in a situation where they might be harmed or destroyed completely.
例句
The debate could endanger the proposed peace talks.这一争论可能会危及提议进行的和平谈判。...endangered species such as lynx and wolf.猞猁、狼等濒危物种
英汉词典释义
vt.
危及, 使遭受危险
You will endanger your health if you smoke.你如果吸烟, 就会危及健康。The drift of the icebergs in the sea endangers the ships.海上冰山的漂流危及船只的安全。Poison gas blew off and endangered the lives of hundreds of persons.毒气喷出来,危及几百人的生命。
英英词典释义
Verb
1. pose a threat to; present a danger to;
"The pollution is endangering the crops"
2. put in a dangerous, disadvantageous, or difficult position