學生都笑了。

The students all laughed.

Source: Tatoeba

Sentence Composition

=1 學生 xuésheng
  1. student
  2. schoolchild
=1 學生 xuéshēng
  1. disciple; follower (Classifier: 位 m)
  2. student; pupil (Classifier: 位 m)
=2 都 Dū surname Du
=2 都 dōu
  1. all; both; entirely
  2. (used for emphasis) even
  3. already
  4. (not) at all
=2 都 dū
  1. capital city
  2. metropolis
=3 笑 xiào old variant of 笑 xiào
=3 笑 xiào
  1. to laugh; to smile
  2. to laugh at
=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 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=4 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=4 了 liào unofficial variant of 瞭 liào