Noun • whiz-kid • go-getter • whizz-kid • ball of fire

तेज़ी:    celerity acceleration velocity promptitude

तेज़ी से:    amain pronto sharply quick post at full pelt

से:    through specially herewith past by afar affiliate

तरक्की:    profit promotion preferment programme progress

करने वाला:    executor observer worker doer hypothecator