a new lease of life or a period of renewed success and vigor, particularly in one's career or personal development

这位老将通过刻苦训练，在球场上迎来了职业生涯的第二春。

falling in love or finding a new partner for the second time, often after a divorce or the death of a spouse

离婚多年后，这位老先生终于迎来了感情的第二春。