vigorously; with great force; energetically; enthusiastically; with spirit
with great vigour; in leaps and bounds; (lit.) with the force of surging waves
(with) great vigour (from the way splitting bamboo goes all down the stick); irresistible force
great vigor; tremendous energy; (lit.) forceful enough to knock down birds in flight
natural tendency; natural course of events; force of circumstances
having no choice but to carry on; having no choice but to go on; being unable to change one's course of action; (lit.) (with the) momentum of (a man) riding a tiger
great vigor; tremendous energy; (lit.) forceful enough to knock down birds in flight