1. Get a kick out of

Meaning:
To enjoy doing something very much
Example:
I get a real kick out of shopping for the new shoes.

2. Read between the lines

3. Have mixed feelings

Meaning:
Unsure how you feel
example:
I had mixed feelings about leaving home. I was looking forward to going to university but I would miss my family.

4. Draw a blank

Meaning:
Can’t remember something
example:
I tried to remember her telephone number, but I could only draw a blank.

5. Have a change of heart

Meaning:
To change one's attitude or decision, usually from a negative to a positive position.
Example:
I had a change of heart at the last minute and gave the beggar some money.