你上課要遲到啦。

You might be late for school.

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 上課 shàngkè
  1. to go to class
  2. to attend class
  3. to go to teach a class
=3 要 yāo (bound form) to demand; to coerce
=3 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important
=3 要 yǎo
  1. (archaic) alternative form of 偠 (yǎo)
  2. alternative form of 偠 (yǎo)
  3. used in 要褭／要袅
4 遲到 chídào to arrive late
=5 啦 lā
  1. (onom.) sound of singing, cheering etc
  2. (phonetic)
  3. (dialect) to chat
=5 啦 la
  1. sentence-final particle, contraction of 了啊, indicating exclamation
  2. particle placed after each item in a list of examples