您父母多大岁数了？

How old are your parents?

Source: Tatoeba

Sentence Composition

1 您 nín you (courteous, as opposed to informal 你 nǐ)
2 父母 fùmǔ father and mother; parents
3 多大 duōdà
  1. how old?
  2. how big?
  3. how much?
  4. so big
  5. that much
4 岁数 suìshu age (number of years old)
=5 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=5 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=5 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=5 了 liào unofficial variant of 瞭 liào