threaten

上升的海平面威胁着沿海社区。

Rising sea levels ___threaten coastal communities.

其他人加入了我们，并开始用刀威胁我们。

The others joined us, and they began to ___threaten us with their knives.

如果不采取紧急行动，海平面上升将威胁全球许多沿海城市。

Rising sea levels will ___threaten many coastal cities worldwide without urgent action.