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 as one wants

2 according to one's wishes

3 ruyi scepter, a symbol of power and good fortune

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 beyond expectation (idiom); unexpected

1 beyond expectation (idiom); unexpected

1 turned out other than expected (idiom); unexpected