老的英文怎么说

老的英文：
old
aged
hardened

• The Old Mandarin
  老官吏
• He was a foxy old trader.
  他是个老奸商。
• The drainage system has been aged.
  排水系统已经老化了。
• A motherly old teacher
  慈祥的老教师
• A great old oak tree
  一株高大的老橡树
• Oxford is an old university.
  牛津大学是一所老大学。
• An inveterate smoker
  有烟瘾的吸烟者,老烟枪
• Is it easy to slough off old habits?
  老习惯好改吗？
• The old professor supervise the postgraduate student.
  这位老教授指导研究生。
• Fall back on old friends in time of need.
  在需要时求助于老朋友们

• The Old Mandarin
  老官吏
• You old misery!
  你这个爱抱怨的老家伙！
• It is an old aphorism.
  这是一句老格言。

• This is a bulletin on aging.
  这是关于老龄问题的期刊。
• They are close in age.
  他们年龄相仿。
• It will be a production that will be handed on from age to age.
  这将是传世之作。

• hardened and tempered
  淬火与回火的
• These are the seedlings that are hardening off in a hotbed
  这些是放在温床中经受耐寒锻炼的幼苗。
• There they cool and harden into volcanic ash.
  然后在空中它们又冷却变成火山灰。