Last updated at 12:44 GMT, Thursday, 14 February 2013

A heart of gold

A sea otter

Does this Alaskan sea otter have a heart of gold? Photo: Itsuo Inouye/ AP

Today's Phrase

Someone with a heart of gold is a genuinely kind and caring person. They would do anything for you.

Examples:

My Mum has a heart of gold. She always thinks of others before herself.

John offered to do all the decorating this weekend; he's got a heart of gold.

Take note

If someone has a heart of stone they are the opposite of someone with a heart of gold; they are unkind and cruel.

Example:

You'll get no sympathy from the boss. He has a heart of stone.

Interesting fact

The sea otter is a marine mammal that lives on the coasts of the northern and eastern North Pacific Ocean (although the one in this photo is in a zoo in Tokyo). It dives to the sea floor to look for food. It eats mostly shellfish and some kinds of fish.

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