After that failure, he became a born-again entrepreneur and threw himself back into his business.

born-again 是由 born（出生）和 again（再次）组成的复合形容词，字面意思是"重生的"。 在宗教语境中常指"重生的基督徒"，引申为"彻底改变的、焕然一新的"。这里形容经历失败后重新振作、以全新姿态投入事业的状态。