1 wolf

2 classifier: 匹 pǐ

3 classifier: 只 zhī

4 classifier: 条 tiáo

1 nationality

1 big bad wolf

1 census register

2 household register

1 books

2 works

1 tongues are wagging (idiom)

1 lit. to fear the wolf in front and the tiger behind (idiom)

2 fig. to be full of needless fears

3 reds under the beds

1 to beat a tiger from the front door, only to have a wolf come in at the back (idiom); fig. facing one problem after another

1 to beat a tiger from the front door, only to have a wolf come in at the back (idiom); fig. facing one problem after another

1 to show the wolf into the house (idiom)

2 to introduce a potential source of trouble