學生們偷偷笑。

The students snickered.

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 們 men plural marker for pronouns, and nouns referring to individuals
3 偷偷 tōutōu
  1. stealthily
  2. secretly
  3. covertly
  4. furtively
  5. on the sly
=4 笑 xiào old variant of 笑 xiào
=4 笑 xiào
  1. to laugh; to smile
  2. to laugh at