I couldn't help it

Explanation

If you can't help the way you feel or behave, you can not control it or stop it from happening. You can also say that you can't help yourself

If you say something point-blank, you say it very directly or rudely, without explaining or apologizing.

It is up to you

Explanation

If you say that it is up to someone to do something, you mean that it is their responsibility to do it

Example

The choice was up to Paula

You can count on us

If you count on someone or count upon them, you rely on them to support you or help you.

Example

I can always count on you to cheer me up

 

Explanation

If something makes no difference, it does not have any effect on what you are doing

Example

It is sad to see him go but it won't make any difference to the way we conduct our affairs

Chances are slim

Explanation

If you say that someone doesn't stand a chance of achieving something, you mean that they cannot possibly achieve it

Example

Neither is seen as standing any chance of snatching the leadership from him