:IN HOT WATER

(in trouble:  Bob didn’t do his homework, so he’s going to be/get in hot water! (From the teacher

:TWO HEADS ARE BETTER THAN ONE

Two people who work together will have more ideas than just one person

 :TO LOSE TOUCH

 To fail to keep in contact/communication with someone

:A PICTURE IS WORTH A THOUSAND WORDS

 A picture explains things better than words can explain things

:TO LEND A HAND

(To help: The Smiths’ neighbors lent a hand when they were building their new fence (The neighbors helped them build the new fence

:PUT A LID ON IT

To be quiet or stop talking about sth

:TO LOSE YOUR SHIRT

:to lose all of or most of your money

I lost my shirt at the casino
Joe lost his shirt betting on the horses

:PAINT THE TOWN RED

:let’s go out and enjoy the exciting entertainment of the city

After the exam, let’s go out and paint the town!

LET’S GET THE BALL ROLLING

(Let’s start now (Usually said about an important project

I HEAR YOU

I agree with what you are saying