to start something energetically and successfully
勢いよく、成功的に何かを始める (ikioiyoku seikouteki ni nanika o hajimeru)
"She joined the team and hit the ground running on her first day."
"彼女はチームに加わり、初日から勢いよく活動を始めた。" (kanojo wa chimu ni kuwawari shonichi kara ikioiyoku katsudo o hajimeta)
to stop being involved in or responsible for something
to reach an agreement after long discussion
to prepare energetically to do something
As long as you are alive, there is a chance for improvement.
to fail completely or embarrass oneself
a sudden moment of discovery or realization
