1 pocket

2 bag

3 sack

4 classifier: 个 gè

1 puffiness under the eyes

2 bags under the eyes

1 head

2 skull

3 brains

4 mental capability

5 classifier: 颗 kē

6 classifier: 个 gè

1 pouch

2 bag

3 sack

4 pocket

1 plastic bag

1 lit. to wave around one's bookbag (idiom)

2 fig. to show off one's erudition

3 a person who does so

1 wine sack, food bag (idiom); useless person, only fit for guzzling and boozing