Commentary: Syntax is: NP1[human][agent] THREATEN (NP2)
NOTE: speech acts may be implied in this sense
They threatened us with legal action.
She threatened to tell my wife.
He threatened me with a knife.
WordNet 3.0 Sense Numbers: 2
Commentary: Syntax is: NP1[patient][animate] THREATEN (NP2) NP1[patient][inanimate] THREATEN (NP2)
Pollution is threatening the crops.
This injury could threaten his career.
The illness threatened to harm their ten-year-old daughter.
The dark clouds threaten rain.
The disease threatened her mother.
The perception of restraint threatened her sanity.
The dispute threatened to escalate into all-out war.
WordNet 3.0 Sense Numbers: 1, 3