你不应该在学校大楼里奔跑。

You must not run in the school buildings.

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 bù
  1. no; not so
  2. (bound form) not; un-
3 应该 yīnggāi ought to; should; must
4 在学 zàixué to be at school; to be studying
=5 校 jiào to check; to collate; to proofread
=5 校 xiào
  1. (bound form) school; college
  2. (bound form) (military) field officer
6 大楼 dàlóu building (a relatively large, multistory one)

classifiers: 幢, 座
=7 里 lǐ variant of 裡 lǐ
=7 里 lǐ
  1. lining
  2. interior
  3. inside
  4. internal
  5. also written 裏 lǐ
=7 里 Lǐ Li (surname)
=7 里 lǐ
  1. li, ancient measure of length, approx. 500 m
  2. neighborhood
  3. ancient administrative unit of 25 families
  4. (Tw) borough, administrative unit between the township 鎮 zhèn and neighborhood 鄰 lín levels
8 奔跑 bēnpǎo to run