不要为这事发愁。

Don't worry about it.

Source: Tatoeba

Sentence Composition

1 不要 bùyào don't!; must not
=2 为 wéi
  1. as (in the capacity of)
  2. to take sth as
  3. to act as
  4. to serve as
  5. to behave as
  6. to become
  7. to be
  8. to do
  9. by (in the passive voice)
=2 为 wèi
  1. because of
  2. for
  3. to
=2 为 wéi variant of 为 wéi
=2 为 wèi variant of 为 wèi
=3 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)
=3 这 zhèi (coll.) this
4 事发 shìfā
  1. (impersonal) a (bad) incident occurs
  2. a (bad) incident occurs
5 愁 chóu to worry about