動詞 threaten:

1. pose a threat to; present a danger to
   同義詞：endanger, jeopardize, jeopardise, menace, threaten, imperil, peril
2. to utter intentions of injury or punishment against:"He threatened me when I tried to call the police"
   同義詞：threaten
3. to be a menacing indication of something:"The clouds threaten rain"
   同義詞：threaten

形容詞 threatening:

1. threatening or foreshadowing evil or tragic developments
   同義詞：baleful, forbidding, menacing, minacious, minatory, ominous, sinister
2. darkened by clouds
   同義詞：heavy, lowering, sullen

1. I pity you (ie I am threatening you) if you can't pay me the money by tomorrow.
   你明天不把錢還給我，我就不客氣了。
2. The army is/are threatening to take over if civil unrest continues.
   軍方聲稱如內(nèi)亂不平息將實行軍管。
3. My landlord's threatening to put the rent up by 10 a week.
   我的房東要挾說要把每周租金提高10英鎊。
4. The manager tried to bully his men into working harder by threatening them with dismissal.
   經(jīng)理企圖以解雇來威脅，迫使職工更賣力氣。
5. The terrorists are threatening to blow up the hijacked airliner.
   恐怖分子揚言要炸毀劫持的客機。
6. They are threatening to impose a blockade on the country.
   他們威脅說要對該國實行封鎖。