俗話說：浪子回頭金不換；可俗話又說：狗改不了吃屎！

The saying goes: to turn a new leaf is priceless. The saying also goes: a dog can't change their habits of eating shit!

Source: Tatoeba

Sentence Composition

1 俗話說 súhuàshuō
  1. as the proverb says
  2. as they say...
2 浪子回頭金不換 làngzǐhuítóujīnbùhuàn a prodigal son returned home is worth more than gold
=3 可 kě
  1. (prefix) can; may; able to; -able
  2. to approve; to permit
  3. to suit
  4. (particle used for emphasis) certainly; very
  5. but; however
=3 可 kè used in 可汗 kèhán
4 俗話 súhuà
  1. common saying
  2. proverb
5 又 yòu
  1. (once) again
  2. also
  3. both... and...
  4. and yet
  5. (used for emphasis) anyway
=6 說 shuì to persuade
=6 說 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=6 說 yuè
  1. (obsolete on its own in Standard Chinese) alternative form of 悅 /悦 (yuè, “happy; delighted”)
  2. alternative form of 悅 /悦 (yuè, “happy; delighted”)
=6 說 tuō
  1. (obsolete on its own in Standard Chinese) alternative form of 脫 /脱 (“to free; to relieve”)
  2. alternative form of 脫 /脱 (“to free; to relieve”)
7 狗改不了吃屎 gǒugǎibùliǎochīshǐ
  1. lit. a dog can't stop himself from eating shit (idiom)
  2. fig. bad habits are hard to change