直到露西離開了我，我才意識到我是多麼愛她。

It was not until Lucy left me that I realized how much I loved her.

Source: Tatoeba

Sentence Composition

1 直到 zhídào until
2 露西 Lùxī Lucy
3 離開 líkāi to depart; to leave
=4 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=4 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 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=4 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=4 了 liào unofficial variant of 瞭 liào
5 我 wǒ
  1. I
  2. me
  3. my
6 我 wǒ
  1. I
  2. me
  3. my
=7 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
=7 才 cái
  1. (variant of 才 cái) just now
  2. (variant of 才 cái) (before an expression of quantity) only
8 意識到 yìshídào to be aware of; to realize
9 我 wǒ
  1. I
  2. me
  3. my
=10 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=10 是 shì variant of 是 shì
11 多麼 duōme
  1. how (wonderful etc)
  2. what (a great idea etc)
  3. however (difficult it may be etc)
  4. (in interrogative sentences) how (much etc)
  5. to what extent
12 愛 ài
  1. to love; to be fond of; to like
  2. affection
  3. to be inclined (to do sth); to tend to (happen)
13 她 tā she