Things got out of hand

Example

As soon as we arrived on the spot, we realized that things got out of hands

A right-hand man - man friday

Example

Bring the dossier to the office and deliver it without any problems to David, he is my right hand man!

The left hand doesn't know what the right hand is doing

Example

The communication within this university is so poor that the left hand doesn't know what the right hand is doing

Caught red handed

Example

We caught them red handed before it could happen

To sit on your hands

Example

You can't sit on your hands waiting for inspiration or the right mood, as an artist you have to move in order to find new ideas

At first hand

Example

Speakers know first hand the value of Family Living Center

To come in handy

Example

Don't throw away that old bicycle, it could come in handy for our mountain house

Hands down

Example

The left party coalition won the election hands down

Try your hand at (doing) something

Example

i wrote novels in the past, i want to try my hand at making it published

People have too much time in their hands

Example

People have too much time in their hands but come and ring the bell at 8 on a Sunday

Near hand

Example

Right now I really don't have any screwdriver near hand

To have the world by the tail - to hold the whip hand

Example

After the acquisition of resorts in Spain and Greece, the company has the world by the tail with the Mediterranean market

Rule with an iron fist

Example

South American dictators ruled their countries with an iron fist

Make your mouth water

Example

Look at the buffet! It makes my mouth water

Keep one's head above water

Example

Despite the scandals and accidents  the team has managed to keep their head above water so far