I'm sure you've had trouble with it. Come on! Speak your mind and tell us one idiomatic expression you know. Let me talk you into learning more vocabulary together.
rack/beat my brains out
I beat my brains out to find a way to work out the math problem.
To take something with a pinch/a grain of salt. :)
Good example BERNA!
Don't forget when you use that idiom, to include "the": "strike while THE iron's hot".
[ http://dictionary.cambridge.org/dictionary/british/strike-while-the-iron-is-hot ]
[ http://en.wiktionary.org/wiki/strike_while_the_iron_is_hot ]
[ http://www.phrases.org.uk/meanings/strike-while-the-iron-is-hot.html ]
Strike while iron's hot!
ey man! We will travel next week together, the chance to get trip to ABKATUN is on the table then we will strike while iron's hot! :)
Are u sure this is an idiom Giorgia? I'll take it with a pinch of salt.
Hahaha just kidding you, I wanted to write an example using this idiom. ;)