goody
3.I saw your smiling mask, pretending naivete, no matter what is goody-goody.
4.SCARLETT: Melanie Hamilton, that goody-goody. Who wants to know a secret about her?
8.Introduce overseas advanced technology ,goody appearance ,logical structure , high efficiency ,operate simply.
9.A goody-goody is one who likes to appear faultless in behaviour so as to please others, not because he or she is really good.


