To hit the sack
go to sleep
see eye to eye
to agree
hit the books
to go study
to be on thin ice
to be in trouble/almost going to get in trouble
miss the boat
to not understand something
to break a leg
good luck
a piece of cake
easy
couch potato
lazy/watch tv
to be all ears
to be listening
To come in handy
something useful/something that can help you/ you can use
to call it a day
time to go home/leave/go to bed
the last straw
to get mad/you have had enough, now you are angry/leaving
cut to the chase
get to the point/stop talking so much!
something very common/popular--- NOT special
Speak of the devil!
to talk about a bad person
under the weather
feel sick
cost arm and leg
super expensive
face the music
time to deal with my problem/fix it..stop ignoring it
in the same boat
to have the same experience/doing the same thing/feeling the same
easy does it!
be careful/go slow
spill the beans
to tell someone's secret to everybody!
when pigs fly
something that will never happen
in a nutshell
in summary/to summarize
It's not rocket science!
it's not hard/difficult!
fat chance!
no way! never going to happen!