From this blog here is my selection for you

Apple of my eye – someone who is cherished above everyone

“Even though Frank has three children, his youngest has always been the apple of his eye”.

Old chestnut – it refers to a story or a joke that has been told so many times that it becomes

uninteresting.

Ted: “The best years of your life are when you’re a child”.
Sue: “Not that old chestnut again!”

Turn over a new leaf – to reform and begin again

“He has learned his lesson and hasturned over a new leaf“.


Take a leaf out of someone’s book – to follow someone’s example

“Alex has really done well to turn his life around. You should take a leaf out of his book”.


To drive someone nuts – to make someone go crazy

“That noise is driving me nuts. Please stop at once!”