Terms for subject Informal containing threatening

English	Russian
he threatens to leave	он грозится уйти
make threatening gestures	грозиться
make threatening gestures	погрозиться
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forwar	избочиться (= избочениться)
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избочениваться (I sure wish that people who comment on my entries would have the common courtesy of doing their homework before bloviating in public! The last time I checked the Russian word "разговорный" means "colloquial" or "informal"; if you cannot comprehend such a simple idea, I'll have to get out a bigger color crayon to explain it! wiktionary.org)
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избочиться (= избочениться)
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избочениться (pf of избочениваться)
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избочить
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избоченить (pf of избочениваться)
stand in a threatening pose with one arm akimbo and the hip upon which it rests thrust forward	избоченивать (impf of избочениться)
threaten many threats	нагрозить
threaten with one's life	угрожать чьей-л. жизнью (She's terrified of him – the reason she hasn't come forward before is she's been threatened with her life if she does. Abysslooker)
threaten with physical harm	заколачивать