• 预示要下雪

threatenv.威胁；恐吓；似将发生threaten to retaliate扬言要进行报复threatening behaviour威胁行为threaten to do sth.扬言要 ...threatening evaluation威胁评估threaten with violence以暴力相威胁threatening phone call恐吓电话; 威胁电话threaten us with death用死来要挟我们threatening coloration威吓色threaten sb with death用死来恐吓某人threatening situations危机局势