off
( informal ) to aim carefully at a person, an animal or an aircraft, especially one of a group, and then shoot them :
Snipers were picking off innocent civilians.
off
( informal ) to aim carefully at a person, an animal or an aircraft, especially one of a group, and then shoot them :
Snipers were picking off innocent civilians.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005