lose your touch = přijít o nějakou schopnost
lose one's touch (with someone or something)
Fig. to lose one's ability to handle someone or something.
Old beliefs about teaching languages are still very much alive and kicking
= pořád se používají, pořád jsou běžné, pořád nevymřely (jindy by se dalo přeložit i jako čilý, čiperný)
alive and kicking (alive and well)
Fig. well and healthy. Jane: How is Bill since his illness last month? Mary: Oh; he's alive and kicking. The last time I saw Tom, he was alive and well.
He's the picture of misery.
= je jako pytel neštěstí (podobně je PICTURE OF HEALTH/HAPPINESS - jen kvete apod.)
DON'T MIND ME = mě si nevšímejte, nenechte se rušit
I COULD EAT A HORSE = být hladový jako vlk
I could eat a horse.
something that you say when you are very hungry
I could eat a horse!
Fig. I am very hungry!
BY HEART = zpaměti, nazpaměť
by heart
exactly and from memory
FAT CHANCE = mizerná šance, často se používá jako zvolání.
fat chance
Fig. very little likelihood
fat chance
there is very little or no possibility of that happening
SLEEP LIKE A LOG = spát jako špalek
sleep like a log (sleep like a baby)
to sleep very soundly
sleep like a log/top
to sleep very well
PASS WITH FLYING COLORS = velice úspěšně absolvovat
flying colors - complete success; "they passed inspection with flying colors"
CAN I HAVE A GO= můžu si to taky zkusit
have a go - make an attempt at something; "I never sat on a horse before but I'll give it a go"
Zdroj: http://helpforenglish.cz/slovni-zasoba/idiomy/c2006032501-English-Idioms--1.html
+ http://www.thefreedictionary.com/