Reverso dictionary

This dictionary is a valuable tool, it’s free, online and collaborative. Words are put into context so it’s easier to understand the scope of the new vocabulary you've just learned. 

It also provides a feature that allows you to save a word or an expression in your personal list, then you can go through this list from time to time to commit those words to memory. 

To activate this functionality, you need to set up an account for free:

German version : http://woerterbuch.reverso.net/

French version: http://dictionnaire.reverso.net/francais-anglais/

There is version for Android for those who have an android device such as a tablet or a smartphone. There are plenty of other languages but the English one is the most comprehensive.

To be tickled pink

I'm tickled pink. - Je suis aux anges
to tickle = chatouiller