快点，不然你吃午饭就要迟到了。

Hurry up, otherwise you'll be late for lunch.

Source: Tatoeba

Sentence Composition

1 快点 kuàidiǎn
  1. to do sth more quickly
  2. Hurry up!
  3. Get a move on!
2 不然 bùrán
  1. not so
  2. no
  3. or else
  4. otherwise
  5. if not
  6. How about ...?
=3 你 nǐ you (informal, as opposed to courteous 您 nín)
=3 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.)
=4 吃 chī
  1. to eat; to consume
  2. to eat at (a cafeteria etc)
  3. to eradicate; to destroy
  4. to absorb
  5. to suffer (shock, injury, defeat etc)
=4 吃 chī variant of 吃 chī
5 午饭 wǔfàn lunch

classifiers: 份, 頓, 次, 餐
6 就要 jiùyào
  1. will
  2. shall
  3. to be going to
7 迟到 chídào to arrive late
=8 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=8 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=8 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=8 了 liào unofficial variant of 瞭 liào