Heart of gold

Meaning:

This idiom is used to describe someone who we think is very nice, kind, and generous. So this is a very nice and positive thing to say about somebody. If someone has a heart of gold, it probably means that they really care for people and enjoy helping them.

Example sentences:

1. She has a heart of gold.
2. He really has a heart of gold.
3. What a heart of gold!

Example dialogue:

Two friends are talking about Mother Teresa.

A: Have you ever heard of Mother Teresa?
B: Of course. She's very famous.
A: What do you think of her?
B: Well, I know one thing about her. She had a heart of gold.

Practice:

Do you know anyone who has a heart of gold? Who?