- 少年老成 shàoniánlǎochéng young but matureto be young in age but steady, experienced, and mature in one's conduct
- 老成持重 lǎochéngchízhòng experienced and prudentexperienced and mature; describes a person who is steady, cautious, and does not act impulsively
- 老成凋谢 lǎochéngdiāoxiè death of an elderthe passing of an experienced, virtuous, and highly respected person; used as a polite way to express mourning for a great elder
- 波澜老成 bōlánlǎochéng superbmagnificent and powerful; used to describe a piece of writing that is majestic and shows great skill or depth