手髒的時候千萬不要揉眼睛。

Never rub your eyes with dirty hands.

Source: Tatoeba

Sentence Composition

1 手 shǒu
  1. hand
  2. (formal) to hold
  3. person engaged in certain types of work
  4. person skilled in certain types of work
  5. personal(ly)
  6. convenient
  7. classifier for skill

classifiers: 雙, 隻
=2 髒 zāng
  1. dirty
  2. filthy
  3. to get (sth) dirty
=2 髒 zǎng only used in 骯髒／肮脏 (kǎngzǎng)
=3 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 跑堂兒的 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
=3 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=3 的 dí really and truly
=3 的 dì (bound form) bull's-eye; target
4 時候 shíhou
  1. time
  2. length of time
  3. moment
  4. period
5 千萬 qiānwàn
  1. ten million
  2. countless
  3. many
  4. one must by all means
6 不要 bùyào don't!; must not
7 揉 róu
  1. to knead
  2. to massage
  3. to rub
8 眼睛 yǎnjing eye

classifiers: 隻, 雙