be，pretty後面跟什麼

1、Driving on icy roads can be pretty hairy.在結冰的道路上開車很驚險。

2、You would have to be pretty hard-hearted not to feel something for him.只有鐵石心腸的人才會對他無動於衷。

3、Stephen is going to be pretty upset when he finds out how you tricked him.如果斯蒂芬發現你怎樣欺騙了他，他會非常氣憤。