give me a hand	pomóż mi
put your foot in it	when you hve said something which you shouldn't have said because it is a secret or may cause embarr
pulling my leg	when you think a friend is telling you something which isn't true as a joke
on the tip of my toungue	when you can't quite remember something
broke his heart	złamać serce
learn by heart	when you memorize something
get it off my chest	wziąć coś na siebie
I can't get out of my head	when you can't stop thinking about smoethink e.g. a particular song
got butterflies in my stomach	when you are very nervous
get cold feet	Strach lub nieśmiałość uniemożliwia ukończenie kierunku działania.