What is college English translation after class 3?

The translation of College English after class 3 is as follows:

Shyness can be mild discomfort or high anxiety, which affects almost everything we do.

Shyness affects everything we do, from feeling a little uncomfortable to feeling highly anxious.

Stubborn as he is, he knows in his heart that he should avoid arousing any suspicion.

Whatever you say will be interpreted as criticism.

Let's not let ourselves be troubled by trifles that we should ignore and forget.

Let's not worry about the little things that we should ignore and forget.

5. spending too much time dwelling on the past will hinder the enjoyment of life.

Spending too much time thinking about the past will hinder the enjoyment of occasional life.