to be ready to take action
on the ball
to be very inconvenient
To be a hassle
To summarize your story you say
To cut a long story short
to be exactly right about something
To hit the nail on the head
to be very bad
awful
to be the latest fashionable thing
a craze
to describe a task which is very annoying
To be a pain in the neck
at the unexpected ending to a story you can say
end up
to say that something sounds familiar
To ring a bell
to ‘become’ temporarily crazy for something.
go crazy, mad, nuts
the story is too long and don’t want to talk about it so you say...
it's a long story
someone who loves to party
a party animal
Be realistic
To have your feet on the ground
When you haven't seen someone in a long time you can say...
Long time, no see.
When you have a good time you can say
to have a blast
suddenly and unexpectedly
Out of the blue