Expressions in English are o considered more useful maybe to upper intermediate level students and beyond:
Feet
to put one’s foot in it
If someone puts there foot in something, they say something that causes an embarrassing problem
At John’s wedding, Steve put his foot in it by mentioning John’s ex-girlfriend in his speech
Uncle Mario is always saying something that put his foot in it!
back on your feet
After a problem, when things return to normal, you find yourself back on your feet.
After losing all her money in poor investments, she is now back on her feet and CEO of a very successful company.
When I get back on on my feet, I plan to buy a new car.
cold feet
When someone has cold feet, they start to doubt something.
It is common for couples about to marry, to get cold feet
Before signing the contract, Susan started to get cold feet.
Ears
to play something by ear
If you play something by ear, you decide to do something, see what happens so that you could then decide what to do next
As we are unsure what the response will be, we can go there and play it by ear,
Don’t worry, play it by ear!
music to your years
When you hear something that makes you happy or relieved
When I heard that we could go home early, it was music to my ears
That’s is music to my ears! (I am very pleased/relieved to hear that)
to fall on deaf ears
If something falls on deaf ears, what is said is ignored
I tried to warn everyone about what was going to happen but it fell on deaf ears
I did tell you but it fell on deaf ears! (you did not listen)
Neck
To get in the neck
If someone gets it in the neck, they get complained at.
I hate being late because when I am, I get in the neck
Be careful, otherwise you will get in the neck!
Pain in the neck
When something is a pain in the neck, it is annoying or boring.
Mondays are a pain in the neck
Sorry to be a pain in the neck but could I borrow £50 again.
Mouth
down in the mouth
If someone is down in the mouth, they are sad
Why are you so down in the mouth?
Everybody is looking down in the mouth this morning!
straight form the horses mouth
if something is straight from the horses mouth, it is the truth (beyond rumour)
That is not gossip, I got it straight from the horses mouth.
She is pregnant, i got it straight from the horses mouth
_____
What are you favourites?
do you know any more?