他們一邊嗑香瓜子，一邊打牌。

They eat sunflower seeds while playing cards.

Source: Tatoeba

Sentence Composition

1 他們 tāmen they; them
2 一邊 yībiān
  1. one side
  2. either side
  3. on the one hand
  4. on the other hand
  5. doing while
3 嗑 kè to crack (seeds) between one's teeth
4 香瓜子 xiāngguāzǐ sunflower seeds
5 一邊 yībiān
  1. one side
  2. either side
  3. on the one hand
  4. on the other hand
  5. doing while
6 打牌 dǎpái to play mahjong or cards