a big shot  
a case in point   
after/when all is said and done   
all but   
all ears   
anything but   
as far as I know   ()
as fit as a fiddle   
at a discount   
at a loss   
beat about (around) the bush   
beat the crowds   
behind schedule   
beside oneself   
beside the point   
beyond compare/ all praise   
beyond hope   
but for    
call it a day   
castles in the air/sky   
chase(after) rainbows   
check in   
check out   
crocodile teats  
cry over spilt milk   
do sb. good   
do someone a favor    
do without   
do’s and don’t’s   
down payment   
doze off   
drop by/ drop in on   
drop out   
eat one’s words/ hat   
expect a baby   
fair and square   
fall flat   
find fault with   
find(get) a bargain   
first hand experience   
for good or bad (for better or worse)  
for the time being   
free with money   
give sb. a lift (ride)   
give sb. ring (call)   
go (be) on a diet   
go Dutch   
good for nothing   
have nothing (little) to do with   
have one’s hands full   
have one’s name   
have one’s opinion   
have the final say   
have… in common     
hit the ceiling   
hustle and bustle   
if only    
immediate boss   
in a good mood   
in the stacks   
it is one’s treat   
just as well   
keep an eye on   
keep body and soul together   
kill time   
Last but not least   
lay off   
let alone   
let down   
lose one’s head   
lose one’s mind   
make a difference   
make a fuss   
make ends meet   
make no difference    
make sense    
meet one’s needs   
mind your own business    
none of one’s business   
nothing but   
off the top of one’s head   
on and off    
on the tip of one’s tongue    
one in a million   
only if   
other than   
out of stock   
out of the question   
pay off   
rack one’s brains   
rain cats and dogs    
read between the lines   
roll up one’s sleeves   
room and board   
room to let   
round the clock   
round the corner   
so what   
rush hour   
second thoughts   
show one’s cards   
sleep like a log (top)   
slip one’s mind   
speak evil of sb.   
stand on one’s own feet   
stay up late   
talk back/ answer back   
That’s really tough.   
the reverse is also true/vice versa    ()
think twice (before you leap)   
under the weather    
walls have ears   
want ad   
Wear (with) a long face   
What’s the point?   
white elephant