小偷在沒有被發現的情況下進去了。

The thief got in without being noticed.

Source: Tatoeba

Sentence Composition

1 小偷 xiǎotōu thief
2 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 沒有 méiyǒu
  1. haven't
  2. hasn't
  3. doesn't exist
  4. to not have
  5. to not be
=4 bèi
  1. quilt
  2. to cover (with)
  3. (literary) to suffer (a misfortune)
  4. used to indicate passive voice (placed before the doer of the action like "by" in English passive-voice sentences, or, if the doer is not mentioned, before the verb)
  5. (since c. 2009) (sarcastic or jocular) used to indicate that the following word should be regarded as being in air quotes (as in 被旅遊 bèilu:yóu to "go on a trip")
=4
  1. (obsolete on its own in Standard Chinese) alternative form of (“to cover oneself; to scatter”)
  2. alternative form of (“to cover oneself; to scatter”)
=4
  1. alternative form of (bǐ, “that”)
  2. alternative form of (bì, “wig”)
=4 alternative form of
5 發現 xiàn
  1. to notice; to become aware of
  2. to discover; to find; to detect
  3. a discovery
=6 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 de "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. or di in poetry and songs
=6 a taxi; a cab (abbr. for 的士 shì)
=6 really and truly
=6 (bound form) bull's-eye; target
7 情況 qíngkuàng circumstances; state of affairs; situation

classifiers: ,

8 xià
  1. down
  2. downwards
  3. below
  4. lower
  5. later
  6. next (week etc)
  7. second (of two parts)
  8. to decline
  9. to go down
  10. to arrive at (a decision, conclusion etc)
  11. measure word to show the frequency of an action
9 進去 jìn to go in
=10 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=10 liǎo
  1. to finish
  2. (used with or after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as or ) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of liǎo)
=10 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=10 liào unofficial variant of liào