Definition: to be likely to cause harm or damage to something or someone Level: C1
他的膝盖问题正威胁着他的自行车运动生涯。
His knee problem is ___threatening his cycling career.
空气污染威胁着城市居民的健康。
Air pollution ___threatens the health of city residents.
上升的海平面威胁着沿海社区。
Rising sea levels ___threaten coastal communities.
