你不必這麼大聲說話。

You don't have to talk so loud.

You don't need to speak so loud.

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 不必 bùbì
  1. need not
  2. does not have to
  3. not necessarily
3 這麼 zhème
  1. so much
  2. this much
  3. how much?
  4. this way
  5. like this
4 大聲 dàshēng
  1. loud voice
  2. in a loud voice
  3. loudly
5 說話 shuōhuà
  1. to speak
  2. to say
  3. to talk
  4. to gossip
  5. to tell stories
  6. talk
  7. word