food for thought	sth to think about
wheat ones's appetite	to make sb keen to taste/experience more of sth
at loos of words	unable to think of anything to say
cut corners	to use a cheaper easier method/ go through the motions
in full swing	at 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
feasts one's eyes on sb/sth	to look with pleasure at sth/sb
not be one's cup of tea	not to be 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 start conversation
in the soup	in trouble
cast pearls before swine	to offer sth good to sb who can not appriciate the value of it
it's no use crying over split milk	there is no use of regretting sth that has happened
sour grapes	negative attitude/ bitternes because of jealousy
up to scratch	of the desired standard
take sth with a pinch of salt	to be doubted/considerated untrue
off colour	unwell
full of beans	very lively and energetic
go downhill	to get worse in quality/ health
a shadow of one's former self	weaker or less capable than one used to be
run out of steam	to loose energy that one had previously
touch and go	uncertain
hold one's own	to manage despite difficulties obstacles
grin from ear to ear	to smile broadly