1 That can be seen with half an eye.

2 I saw with half an eye that all was over.

3 Anyone can see with half an eye that he's in love with her.

4 You can see with half an eye that there is a difference between a politician and a statesman.

5 Anyone can see with half an eye that the essay was written with the help of an adult.

6 The new teacher could see with half an eye that the girls in the class are more mischievous than the boys.

7 I can see with half an eye that John is a foolish man.

8 You can see with half an eye that he and his wife are unhappy together.

9 Anyone can see with half an eye that he's with her.

10 I could see with half an eye that she was not paying attention to the teacher.