Cold feet
To feel nervous before a big event.
Elbow grease
Hard physical work, especially cleaning.
Cry your eyes out
To cry excessively.
Pull someone’s leg
To tease or joke with someone.
Got such a sweet tooth
you like eating sweet foods, especially sweets and chocolate.
Cost an arm and a leg
Something is very expensive.
See eye to eye
To agree with each other.
Give the cold shoulder
to ignore or snub someone you know.
On the tip of your tongue
When you know something but can’t quite remember it.
Kicked up such a fuss
to show great anger about something, especially when this does not seem necessary
Out of hand
no longer able to control them.
Get it off your chest
To express your feelings to feel better.
Face the music
To confront the consequences of one’s actions.
Break a leg
Wishing someone good luck.
Bite your tongue
To avoid speaking.
Don't waste your breath
the person you are talking to will not take any notice and so there is no point saying anything to them.
It went straight over my head
we have not understood something or we have misinterpreted a situation because it is too difficult to understand.
Give a hand
To help someone.
Play it by ear
To improvise or play without a plan.
Stick your neck out
To take a risk for someone else.