好好准备就不会出问题。

Well prepared means no worries.

Source: Tatoeba

Sentence Composition

1 好好 hǎohǎo well; carefully; nicely; properly
2 准备 zhǔnbèi
  1. preparation
  2. to prepare
  3. to intend
  4. to be about to
  5. reserve (fund)
3 就 jiù
  1. (after a suppositional clause) in that case; then
  2. (after a clause of action) as soon as; immediately after
  3. (same as 就是 jiùshì) merely; nothing else but; simply; just; precisely; exactly
  4. only; as little as
  5. as much as; as many as
  6. to approach; to move towards
  7. to undertake; to engage in
  8. (often followed by 着 zhe) taking advantage of
  9. (of food) to go with
  10. with regard to; concerning
  11. (pattern: 就 jiù ... 也 yě ...) even if ... still ...
  12. (pattern: 不 bù ... 就 jiù ...) if not ... then must be ...
4 不会 bùhuì
  1. improbable
  2. unlikely
  3. will not (act, happen etc)
  4. not able
  5. not having learned to do sth
  6. (coll.) (Tw) don't mention it
  7. not at all
5 出问题 chūwèntí
  1. to have sth go wrong
  2. to have a problem arise
  3. to give problems