慢慢来，不然你可能会出错的。

Take your time, or you may make some mistakes.

Source: Tatoeba

Sentence Composition

1 慢慢来 mànmànlái
  1. take your time
  2. take it easy
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 可能 kěnéng
  1. might (happen)
  2. possible
  3. probable
  4. possibility
  5. probability
  6. maybe
  7. perhaps

classifier: 個
=5 会 huì
  1. can; to have the skill; to know how to
  2. to be likely to; to be sure to
  3. to meet; to get together
  4. meeting; gathering
  5. (suffix) union; group; association
  6. (bound form) a moment (Taiwan pr. huǐ)
=5 会 kuài (bound form) to reckon accounts
6 出错 chūcuò
  1. to make a mistake
  2. error
=7 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=7 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=7 的 dí really and truly
=7 的 dì (bound form) bull's-eye; target