It is said that eyes can speak. Do you have such kind of 36 ? In a bus you may look at a stranger, but not too 37 . If he notices that he is being looked at, he may  38  uncomfortable. It is the same in daily life.

When you are looked at for several more times, you will look 39 up and down in order to 40 if there is anything wrong with you. If 41 goes wrong, you will feel angry with the person who is looking at you, 42 can speak, right?

Looking too long at someone may seem to be impolite. But sometimes things are 43 . If you wish to draw someone’s 44 , you may look at him or her more than ten seconds. For lovers, they enjoy looking each other longer to show the love that words cannot  45  .

Clearly, eye communication should be done according to the relationship between the two people and the certain situation.