懂了就正确做。

If you understand, then do it properly.

Source: Tatoeba

Sentence Composition

1 懂 dǒng
  1. to understand
  2. to comprehend
=2 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=2 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)
=2 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=2 了 liào unofficial variant of 瞭 liào
3 就正 jiùzhèng (literary and deferential) to solicit comments (on one's writing)
=4 确 què
  1. variant of 确 què
  2. variant of 埆 què
=4 确 què
  1. authenticated
  2. solid
  3. firm
  4. real
  5. true
5 做 zuò
  1. to make; to produce
  2. to write; to compose
  3. to do; to engage in; to hold (a party etc)
  4. (of a person) to be (an intermediary, a good student etc); to become (husband and wife, friends etc)
  5. (of a thing) to serve as; to be used for
  6. to assume (an air or manner)