Last updated at 10:47 BST, Monday, 06 August 2012

A bolt from the blue

Usain Bolt crosses the finish line in the men's 100m final

Usain Bolt takes just 9.63 seconds to win a gold medal in the London 2012 men's 100m final. Photo: Alex Livesey.

Today's Phrase

If something is a bolt from the blue, it is a complete and sudden surprise - like a bolt of lightning against a blue sky.

For example:

The prime minister's resignation was a bolt from the blue.

It was a real bolt from the blue when I bumped into my first ever boyfriend in the supermarket.

The announcement about redundancies was a bolt from the blue for the workers in the office.

Don't confuse it with

You can also use the phrase out of the blue to mean something which comes as a surprise.

For example:

His marriage proposal came out of the blue - but she said yes!

Interesting fact

The London 2012 men's 100m final was a stunning race. Seven out of the eight finalists finished in under ten seconds, making it the fastest 100m final in history. Usain Bolt won gold in 9.63 seconds - the second fastest time in history. He also holds the world record for the fastest ever 100m, which he ran in a time of 9.58 seconds in Berlin in 2009.

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