1 to steal

2 to pilfer

3 to snatch

4 thief

5 stealthily

1 stealthily

2 secretly

3 covertly

4 furtively

5 on the sly

1 mad

2 wild

3 violent

1 crazy

2 frantic

3 extreme popularity

1 to eat on the sly

2 to pilfer food

3 to be unfaithful

1 to engage in fraudulent activities (idiom)

2 skulduggery

3 to hoodwink people

4 to cheat sb audaciously

1 to skimp on the job and stint on materials (idiom)

2 jerry-building

3 sloppy work

1 lit. to steal a rafter and replace it with a column

2 to replace the original with a fake

3 to perpetrate a fraud (idiom)

1 lit. to try to steal a chicken only to end up losing the rice used to lure it (idiom)

2 fig. to try to gain an advantage only to end up worse off

3 to go for wool and come back shorn

1 to imitate the dog and steal chicken (idiom)

2 to pilfer

3 to dally with women

4 to have affairs