1.  " I didn't know if my expression looked weird but she didn't show any awkwardness.

2.  What's more, they don't know how to be romantic so they probably fail when paying court to girls.

3.  As we all know, science is conscientious, precise and sometimes sternly cool while social science is imaginative, changeable and quite colorful.

4.  It seems that they will agree to what others say about the girl or the boy without any their own thought, even though many people do not know what real character of a girl or boy.

5.  How much do you know about him?

6.  As for people who don't know each other much, don't do the judgments only according to what you have seen on the surface, because what beneath might prove your complete mistake about that man.

7.  "\

8.  I do not know how the campus keeps away from the noisy city but it really does it well.

9.  "\

10.  Stereotyping often comes with ultra and extreme ideas about what we do not know very well.