出去之前确认一下所有的灯都关了。

Make sure to turn off all the lights before going out.

Source: Tatoeba

Sentence Composition

1 出去 chū to go out
2 之前 zhīqián
  1. before
  2. prior to
  3. ago
  4. previously
  5. beforehand
3 确认 quèrèn
  1. to confirm
  2. to verify
  3. confirmation
4 一下 xià
  1. (after a verb) a bit; a little (indicating brief duration, or softening the tone, or suggesting giving sth a try)
  2. all at once; suddenly
5 所有 suǒyǒu
  1. all
  2. to have; to possess; to own
=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 跑堂儿的 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 dēng
  1. lamp
  2. light
  3. lantern

classifier:

=8 surname Du
=8 dōu
  1. all; both; entirely
  2. (used for emphasis) even
  3. already
  4. (not) at all
=8
  1. capital city
  2. metropolis
=9 Guān surname Guan
=9 guān
  1. mountain pass
  2. to close; to shut; to turn off
  3. to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc)
  4. to concern; to involve
=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