2, thriving: it means to develop day by day. Describe the rapid development. More refers to life and business.
3. The source of the idiom: Qing Li Baojia's "The Officialdom in the Present": "Your brother is a versatile and well-scheduled, are you afraid that it will not prosper?" Vernacular: "Your brother is a man of great talent, and he does things methodically. Are you afraid that he will not prosper?"
4, idiom usage: partial formal, as predicate, attribute. With praise.