the dress is pretty 为什么可以用pretty修饰呢?不是说pretty主要修

pretty
/ˈprɪtɪ; `prɪtɪ/
adj (-ier,-iest)
1 pleasing and attractive,without being beautiful or magnificent 漂亮的,可爱的,精致的（并非华丽的或堂皇的）
*a pretty child,pattern,tune 可爱的孩子、好看的花样、好听的曲调
* a pretty (ie effeminate-looking) boy 俊俏的男孩儿
* What a pretty dress!多漂亮的连衣裙哪!
* She looks very pretty in that hat.她戴着那顶帽子真是漂亮极了.
* The bodies of the victims were not a pretty sight.这些受害者的尸体惨不忍睹.=>Usage at beautiful 用法见beautiful.
2 (a) (esp dated 尤作旧) fine; good 美好的; 良好的
*a pretty wit,compliment,turn of phrase 敏捷的头脑、动听的恭维话、巧妙的措辞.
(b) (ironic 反语) not pleasing 糟糕的
*You've got yourself into a pretty mess now!你现在可惹了麻烦了!
* This a pretty state of affairs!事情糟透了!
3 (idm 习语) (as) ,pretty as a `picture very pretty 非常漂亮.come to such a pass/a pretty pass => pass1.not just a pretty `face not just sb who is superficially attractive without having other qualities or abilities 不仅相貌好（尚有其他优点）
*His good looks won him the election but he has still to prove that he's not just a pretty face.他由于仪表堂堂而当选,但他尚须证明决非徒有其表.a pretty `penny a lot of money 大量金钱
*Renovating that house will cost you a pretty penny.为了整修那所房子,你得花很多钱.
adv
1 fairly or moderately 相当; 颇
*The situation seems pretty hopeless.这情况似乎没有多大希望了.
* She seemed pretty satisfied with the result.她对那结果似乎相当满意.=>Usage at fairly 用法见fairly.
2 (idm 习语) pretty much/nearly/well almost 几乎; 差不多
*The two are pretty much the same.这两个简直一模一样.
* The car is pretty nearly new.那辆车跟新的差不多.
* My patience is pretty well exhausted.我几乎忍无可忍.sitting pretty => sit.

一般说，a pretty dress

也可以的

也可以对，pretty做形容词

打的宾语不是人么？打人。。为什么要说打车，打电话，打篮球。。。。

读书不要死读

我英语学的不好，但我知道英语语法里面有他们的生活习惯，如果爱一样东西胜过人呢？？