сов. ( тв. )
avail oneself (of), profit (by), take* advantage (of); ( присвоить ) appropriate ( d. )
воспользоваться случаем (+ инф. ) — take* occasion (+ to inf. ); take* / seize the opportunity (+ to inf. , of ger. ), avail oneself of the opportunity (+ to inf. , of ger. )
воспользоваться своим законным правом — avail oneself of one's lawful rights, use exercise one's lawful rights