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- 白头偕老 remain happily married to a ripe old age
- 老套 old things
- 不老的 ageless
- 花子 beggar
- 不老 young at heart
- 老二 the second child or brother (or sister)
- 老同学 old boy
- 老样子 Same as usual.
- 老顾客 patron; regular client
- 老猫 grimalkin
- 老树 veteran
- 老成 (adj) experienced; trained
- 老油条 sophisticate
- 老套的 slick
- 新老 the old and new
- 老地方 usual place
- 老姐 kiddo
- 张老 Zhang Lao
- 到老 until old
- 老抽 dark soy sauce
