吃一塹，長一智。

A fall into a pit, a gain in your wit.

Source: Tatoeba

Sentence Composition

=1 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)
=1 吃 chī variant of 吃 chī
2 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
3 塹 qiàn (bound form) moat; chasm
=4 長 cháng
  1. long
  2. (bound form) length
  3. (bound form) strong point; forte
  4. (bound form) to be good at
  5. (literary) surplus; spare (Taiwan pr. zhàng)
=4 長 zhǎng
  1. chief
  2. head
  3. elder
  4. to grow
  5. to develop
  6. to increase
  7. to enhance
=4 長 zhàng
  1. (archaic) length; measure of length
  2. length; measure of length
5 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
6 智 zhì (literary) wise; wisdom