From: http://www.bbc.co.uk/worldservice/learningenglish/language/2014/03/140327_todays_phrase_piece_of_cake.shtml

A piece of cake

A piece of cake
Eating all of this is a piece of cake.

Today's Phrase

If doing something is described as a piece of cake, it means it is easy to do.
Examples:
Changing the wheel on the car was a piece of cake – I was happy to help!

I don't know what all the fuss was about – the exam was a piece of cake! I had half an hour to spare.

Take note

The icing on the cake describes something that makes a good situation even better.
Example:
It was great to win the match but the icing on the cake was getting promoted to the Premiership!

Interesting fact

According to the Guinness World Records, the world's largest wedding cake weighed 6.818 tonnes and was made by chefs at a hotel in Connecticut in the USA.
The intense and overwhelming movie Frida (2002), starring Salma Hayek, tells the story of the Mexican painter Frida Kahlo (1907 - 1954).  It shows a bit of this astounding woman's life, her joy and passion for life, as well as her struggle, strength and courage to go through the many adversities she had to face.  She expressed her inner world of emotions and feelings through her unique and creative painting, full of peculiar style, to show her own reality.  In Frida's words: "I do not paint dreams... I paint my reality."  
Find more about Frida Kahlo at  
http://www.fkahlo.com/ingles/index_ingles.html

O intenso e impressionante filme Frida (2002), estrelado por Salma Hayek, conta a história da pintora mexicana Frida Kahlo (1907 - 1954). Ele mostra um pouco da vida dessa surpreendente mulher, sua alegria e paixão pela vida, assim como sua batalha, força e coragem para enfrentar muitas adversidades. Ela expressava seu mundo íntimo de emoções e sentimentos através de sua pintura única e criativa, cheia de um estilo peculiar, para mostrar sua própria realidade.  Nas palavras de Frida: "Eu não pinto sonhos... eu pinto minha realidade."
Encontre mais sobre Frida Kahlo em
http://www.fkahlo.com/ingles/index_ingles.html

Frida Kahlo Self-Portrait
         Picture from: http://fridakahlopaintings.org/fridakahlopinturas/
From: http://tx.english-ch.com/teacher/jocelyn/level-b/phrasal-verbs-with-two-meanings/
From: http://www.bbc.co.uk/worldservice/learningenglish/language/2014/03/140320_todays_phrase_in_the_red.shtml

In the red

The Welsh Guards on parade
The Welsh Guards, in their red uniforms, practice for the Trooping the Colour ceremony in London

Today's Phrase

If you owe money to a bank, you are in the red. Also, if a person or a business is in the red, it means they are losing money.
Examples:
Because the airline had to give everyone their money back after the delays, they now say they're operating in the red.
I've paid off most of my credit card bills - but I'm still in the red.

Take note

If someone is in the pink, they are in good health.
Example:
Ruth looks very well - she's certainly in the pink.

Interesting fact

The soldiers shown in the photo are from the Welsh Guards. Together with other regiments of the British armies, they perform a ceremony called Trooping the Colour in June every year to mark the official birthday of Queen Elizabeth II.