你為甚麼不鎖門？

Why didn't you lock the door?

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 為 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 為 wèi
  1. because of
  2. for
  3. to
=3 甚 shén variant of 什 shén
=3 甚 shèn
  1. excessive; undue
  2. to exceed; to be more than
  3. very; extremely
  4. (dialect) what; whatever (Taiwan pr. shén)
=4 麼 má exclamatory final particle
=4 麼 ma interrogative final particle
=4 麼 me suffix, used to form interrogative 什么 shénme, what?, indefinite 这么 zhème thus, etc
=4 麼 mó
  1. tiny
  2. insignificant
5 不 bù
  1. no; not so
  2. (bound form) not; un-
6 鎖門 suǒmén to lock the door