( informal ) to reduce the time that it takes to do sth by a particular length of time :
She clipped two seconds off her previous best time.
( informal ) to reduce the time that it takes to do sth by a particular length of time :
She clipped two seconds off her previous best time.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005