Подбор синонимов:
boost2, needs2, Jim1, competitors1, its1, very1, cheerful1, him1, holiday1, defeated1, boosting1, onto1, boosted1, had1, large1, horse1, small1, company1, girl1- boost up
а подпихивать, помогать подняться The small girl had to be boosted up onto the large horse. б поддерживать The company needs boosting up, if it is not to he defeated by its competitors. Jim is not very cheerful; he needs a holiday to boost him up.