你應該知道要為考試作準備。

You should have known better than to take an examination without preparing for it.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 應該 yīnggāi ought to; should; must
3 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
=4 要 yāo (bound form) to demand; to coerce
=4 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important
=4 要 yǎo
  1. (archaic) alternative form of 偠 (yǎo)
  2. alternative form of 偠 (yǎo)
  3. used in 要褭／要袅
=5 為 wéi
  1. as (in the capacity of)
  2. to take sth as
  3. to act as
  4. to serve as
  5. to behave as
  6. to become
  7. to be
  8. to do
  9. by (in the passive voice)
=5 為 wèi
  1. because of
  2. for
  3. to
6 考試 kǎoshì
  1. to take an exam
  2. exam

classifier: 次
7 作準 zuòzhǔn
  1. to be valid; to count
  2. authentic
8 備 bèi
  1. (bound form) to prepare; to equip
  2. (literary) fully; completely