你應該知道不要問小姐的年齡。

You should know better than to ask a lady her age.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 應該 yīnggāi ought to; should; must
3 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
4 不要 bùyào don't!; must not
5 問 wèn to ask; to inquire
=6 小姐 xiǎojie
  1. young lady
  2. miss
  3. (slang) prostitute

classifiers: 個, 位
=6 小姐 xiǎojiě
  1. (dated or Mainland China slang) prostitute
  2. Miss (a term of address for a young or unmarried woman)
  3. prostitute
  4. young lady
  5. young lady of gentry family
=7 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=7 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=7 的 dí really and truly
=7 的 dì (bound form) bull's-eye; target
8 年齡 niánlíng (a person's) age

classifiers: 把, 個