up (to sb)
to hand sth over to sb else :
We had to give our passports up to the authorities.
He gave up his seat to a pregnant woman (= stood up to allow her to sit down) .
up (to sb)
to hand sth over to sb else :
We had to give our passports up to the authorities.
He gave up his seat to a pregnant woman (= stood up to allow her to sit down) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005