Be out of line - off-topic

Example

During the lecture sometimes he was out of line

Off the record

Example
News obtained off the record

Lose heart - get discouraged

Example

Don't lose heart, always look on the bright side

A bird in the hand is worth two in the bush

Example

You should accept that job. A bird in the hand is worth two in the bush

To rake (drag) someone over the coals

Example

Because of delay the boss hauled him over the coals

Here it is

Example
Here it is what happend yesterday

Leave me alone

Example
I'm sick of the way you treat me, leave me alone!

A coat of varnish (paint)

Example

Next weekend I have to give a coat of varnish at the fence

All is fair in love and war

Example

Do whatever you want. All is fair in love and war.

To pay through the nose

Example
I paid through the nose this suit for Jack's wedding

To hit the nail on the head

Example

Your social analysis hit the nail on the head

To have one's wing clipped

Example

I think they deliberately clipped your wings

Crunch time

Example
At the crunch time of the race this time was able to get the best result

One good turn deserves another

Example
He fixed my tv so I let him use my swimming pool, one good turn deserves another

On the blink

Example

My tablet is on the blink, now I am in trouble for the upcoming meeting