到了那時，我才發現自己錯了。

It was not until then that I realized my mistake.

Source: Tatoeba

Sentence Composition

1 到了 dàoliǎo
  1. at last
  2. finally
  3. in the end
2 那時 nàshí
  1. then
  2. at that time
  3. in those days
3 我 wǒ
  1. I
  2. me
  3. my
=4 才 cái
  1. ability; talent
  2. sb of a certain type
  3. a capable individual
  4. then and only then
  5. just now
  6. (before an expression of quantity) only
=4 才 cái
  1. (variant of 才 cái) just now
  2. (variant of 才 cái) (before an expression of quantity) only
5 發現 fāxiàn
  1. to notice; to become aware of
  2. to discover; to find; to detect
  3. a discovery
6 自己 zìjǐ
  1. oneself
  2. one's own
=7 錯 Cuò surname Cuo
=7 錯 cuò
  1. mistake
  2. wrong
  3. bad
  4. interlocking
  5. complex
  6. to grind
  7. to polish
  8. to alternate
  9. to stagger
  10. to miss
  11. to let slip
  12. to evade
  13. to inlay with gold or silver
=7 錯 cù
  1. (obsolete on its own in Standard Chinese) alternative form of 措 (cuò, “to abandon; to cease; to reject”)
  2. (obsolete on its own in Standard Chinese) alternative form of 措 (cuò, “to place; to carry out”)
  3. alternative form of 措 (cuò, “to abandon; to cease; to reject”)
  4. alternative form of 措 (cuò, “to place; to carry out”)
=7 錯 xī
  1. (chemistry, obsolete) Alternative name for 鈰／铈 (shì, “cerium”).
  2. Alternative name for 鈰／铈 (shì, “cerium”).
=8 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=8 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)
=8 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=8 了 liào unofficial variant of 瞭 liào