Definition
to experience a stroke of remarkable luck
非常幸运
He lucked out by winning second place in the raffle, I really think he's remarkably lucky.
他在抽奖中幸运地赢得了第二名，我真的觉得他非常幸运。
She lucked out by catching an upgrade on her flight; it was a lucky break.
她幸运地获得了航班升等；这真是个好运气。
He lucked out by passing the exam without studying; it was clearly a stroke of luck.
他没有读书就幸运地通过了考试；这显然是个好运气。