threatens

v.

pose a threat to; present a danger to

同义词：endangerjeopardizejeopardisemenaceimperilperil

to utter intentions of injury or punishment against:

"He threatened me when I tried to call the police"

to be a menacing indication of something:

"The clouds threaten rain"; "Danger threatens"

Climate change threatens European conservation areas
Climate change threatens European conservation areas
Coral decline threatens fish biodiversity in marine reserves
A New Sharpshooter Threatens Both Crops and Ornamentals
21st century climate change threatens mountain flora unequally across Europe
Mountain pine beetle host-range expansion threatens the boreal forest
When somatic information threatens, catastrophic thinking enhances attentional interference.
Loss of soil carbon threatens Chinese agriculture: a comparison on agroecosystem carbon pool in China and the U.S
Doubt is their product: How industry's assault on science threatens your health: By David Michaels
Copyrights and Copywrongs: The Rise of Intellectual Property and How It Threatens Creativity