let's collect famous expressions used in English . Share what you know ! try to explain the meaning of the expression or the situation to say it okay i'll start "Act your age!" => To behave in a more mature way "All-out" : Complete. Very strong All set: Ready (to go). "All set?" Apple of someone's eye: Someone's favorite person (and sometimes thing)."bite the bullet" - do or decide to do something very difficult "egg on your face" - to look stupid "you go girl/go girl "- expression of support and encouragement "line your pockets" - make a lot of money for yourselfpigs might fly - never rule of thumb - general rule worth his salt - a valued member of the team sitting duck - easy target sweep the board - win everything through thick and thin - through good times and badin a nutshell : using as few words as possible the thin end of the wedge : something small that will lead to something much bigger and more serious. this from your notebook entry Mateusz ;)a new information for me is that this expressions called idiom :) which means a group of words in a fixed order that have a particular meaning that is different from the meanings of each word understood on its own yes tartar i know but i want to know the most used ones in real life and that's i can't know because i live in arabic country , thanks :)