为了不感冒，请带上这件毛衣。

Take a sweater with you so you don't catch a cold.

Source: Tatoeba

Sentence Composition

1 为了 wèile for; for the purpose of; in order to
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 感冒 gǎnmào
  1. to catch cold
  2. (common) cold
  3. (coll.) to be interested in (often used in the negative)
  4. (Tw) to detest
  5. can't stand

classifiers: 場, 次
4 请 qǐng
  1. to ask
  2. to invite
  3. please (do sth)
  4. to treat (to a meal etc)
  5. to request
5 带上 dàishàng to take along with one
=6 这 zhè
  1. (pronoun) this; these
  2. (bound form) this; the (followed by a noun)
  3. (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)
=6 这 zhèi (coll.) this
7 件 jiàn
  1. item
  2. component
  3. classifier for events, things, clothes etc
8 毛衣 máoyī (wool) sweater

classifier: 件