The idiom "drastic times call for drastic measures" means that extreme situations require extreme actions to be taken. It suggests that when things are very difficult, it may be necessary to do something that would normally be considered unacceptable or too harsh.

The idiom "turn the clock back" means to go back to a previous, better or more enjoyable time. It can also refer to reversing a negative situation or undoing a mistake. In a metaphorical sense, it means revisiting a past moment and reliving it, often with nostalgia.

The idiom "miles away" means extremely far away, very distant, or so far apart that it's almost impossible to reach or communicate with someone or something. It can also suggest a complete lack of connection or interest between two people or groups.

The idiom "a bolt from the blue" refers to an unexpected or sudden event that catches people off guard. It can also describe something surprising or unexpected, even if it's not necessarily negative. Example sentences:

• The news came as a bolt from the blue - I had no idea whatsoever.

The idiom "you can’t teach an old dog new tricks" means that someone or something is stubborn, resistant to change, or not capable of learning new things.