41.  When I passed by two freshmen on the corridor, I heard their snicker dialogue, "how young the Xuejie is".

42.  When I passed by two freshmen on the corridor, I heard their snicker dialogue, "how young the tutor is".

43.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

44.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

45.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

46.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

47.  Stereotyping on Campus\

48.  Though their reaction speed may be less than boys, diligence is the means by which one makes up for one's dullness.

49.  We should not be chained by stereotypes.

50.  Mostly, we get a direct impression on people by their appearance.