一举成功

(idiom) to hit the jackpot with a single shot; to achieve success at one's first try

to get there in one step (idiom); easily done; success at a stroke

lit. to win a victory on raising the flag (idiom); fig. to start on sth and have immediate success; success in a single move

(idiom) to hit with the first shot

to succeed at the first try (idiom); easy as pie

to win instant success (idiom); to become an instant hit