be on a hiding to nothing Try to do something when it is impossible for you to succeed.
‘have (or ‘get’) the munchies’ (Informal, British English) have a sudden desire to eat something
a mishmash of …. A confused mixture of different kinds of things
be (as) right as rain Feel well again
wear your heart on your sleeve Make your emotions and feelings obvious; you don’t hide them.
go hell for leather go as fast as possible
no news is good news We say this to make somebody feel better when they are worried about someone/something and they haven’t received any information.
pull someone’s leg Say something that is not true as a way of making a joke.
out of kilter (out of whack) Not in exactly the right position or condition or not working in the usual or proper way in relation to something else.
grind (ground/ground) to a halt (come to a grinding halt) Slow down gradually and then stop completely