玛丽暗自发笑。

Mary chuckled to herself.

Source: Tatoeba

Sentence Composition

1 玛丽 Mǎlì
  1. Mary or Marie (name)
  2. Mali
2 暗自 ànzì
  1. inwardly
  2. to oneself
  3. secretly
3 发笑 fāxiào
  1. to burst out laughing
  2. to laugh