food for thought	sth to think about
wheat one's appetite	to make sb keen to experience/taste more of sth
at a loos for words	unable to think of anything to say
cut corners	to use a cheaper/easier method
in full swing	at a very lively stage/point
pull a few strings	to use influence to achieve sth
cannot hold a candle to sb/sth	cannot be compared favourably with sb/sth
feast one's eyes on sb/sth	to look with pleasure at sth/sb
not be one's cup of tea	not to be to one's taste
scrape the bottom of the barrel	to be left with/use the worst person/object
break the ice	to make sb relax/ to get conversation started
in the soup	in trouble
cast pearls before swine	to offer sth good to sb who cannot appreciate the value of it
it's no use crying over spilt milk	there is no point in refretting sth that has happened
sour grapes	negative attitude/bitterness because of jelousy
as dry as a bone	very dry
up to scratch	of the desired standard
take sth with a pinch of salt	to doubt/consider sth untrue
off colour	unwell
full of beans	very lively and energetic
go downhill	to get worse in health/quality/status
touch and go	uncertain
hold one's own	to manage despite difficulties/obstacles
grin from ear to eat	to smile broadly
run out of steam	to lose the energy that one had previously