1 Sino-Italian

1 any

2 arbitrary

3 at will

4 at random

1 creative

2 creativity

1 to care about

2 to mind

1 to have the nerve

2 what a cheek!

3 to feel no shame

4 to overcome the shame

5 (is it) proper? (rhetorical question)

1 a snap of the fingers (idiom); in a flash

2 in the twinkling of an eye

1 obstinately clinging to one's course (idiom)

2 willful

3 one's own way

4 dogmatic

1 in two minds about sth (idiom)

2 half-hearted

3 shilly-shallying

1 to know sth like the back of one's hand (idiom)

2 to know (a person, a place etc) inside out

1 to make one's hair stand up in anger (idiom); to raise people's hackles