當你在陽光下的時候,遮住你的頭。

Cover your head when you are in the sun.

Source: Tatoeba

Sentence Composition

=1 dāng
  1. to be
  2. to act as
  3. manage
  4. withstand
  5. when
  6. during
  7. ought
  8. should
  9. match equally
  10. equal
  11. same
  12. obstruct
  13. just at (a time or place)
  14. on the spot
  15. right
  16. just at
=1 dàng
  1. at or in the very same...
  2. suitable
  3. adequate
  4. fitting
  5. proper
  6. to replace
  7. to regard as
  8. to think
  9. to pawn
  10. (coll.) to fail (a student)
=2 you (informal, as opposed to courteous nín)
=2 you (Note: In Taiwan, is used to address females, but in mainland China, it is not commonly used. Instead, is used to address both males and females.)
3 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)
4 陽光 yángguāng
  1. sunshine
  2. (of personality) upbeat; energetic
  3. transparent (open to public scrutiny)
5 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
=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 時候 shíhou
  1. time
  2. length of time
  3. moment
  4. period
8 遮住 zhēzhù
  1. to cover (up)
  2. to block
  3. to obstruct
  4. to shade
=9 you (informal, as opposed to courteous nín)
=9 you (Note: In Taiwan, is used to address females, but in mainland China, it is not commonly used. Instead, is used to address both males and females.)
=10 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
=10 a taxi; a cab (abbr. for 的士 shì)
=10 really and truly
=10 (bound form) bull's-eye; target
=11 tóu
  1. head
  2. hair style
  3. the top
  4. end
  5. beginning or end
  6. a stub
  7. remnant
  8. chief
  9. boss
  10. side
  11. aspect
  12. first
  13. leading
  14. classifier for pigs or livestock

classifier:

=11 tou suffix for nouns