2. At the age of 20, we can distinguish things clearly and not be confused, and at the age of 30, we can be mature and steady, but when we are stuck between the ages of 20 and 30, we feel endless confusion.

3. Analysis: Twenty or thirty refers to twenty years old and thirty years old; Don't be confused can be translated as not being afraid, being able to distinguish clearly when things happen, not being confused and confused, etc. It can be translated into maturity and stability.

4. The original sentence of this sentence is "20 is not confused, 30 is just, but I am stuck in the middle, confused", which means as follows: at the age of 20, I can distinguish things clearly and not be confused, and at the age of 30, I can be mature and steady, but when I am stuck between the ages of 20 and 30, we feel endless confusion.