☆chicken and egg situation (informal)
when it's impossible to say which of two things existed first or which caused the other one
It's the old chicken and egg situation.
They don't want to join the tennis club because they don't know anyone there. But they don't know any of them because they're not in the tennis club.
☆to walk on eggshells
to be very careful not to offend someone or do anything wrong
Even though I'm married with kids of my own, whenever my mum comes to stay with me, she makes me really nervous. I feel like I'm walking on eggshells the whole time she's here.
☆bad egg
Someone who is dishonest can be called a bad egg.
☆nest egg
money you save for a special purpose (often for when you are older)
As soon as Jenny was born we started a nest egg to help pay for her university fees.
☆Don't put all your eggs in one basket
an idiom meaning you should never rely on only one plan – in case it goes wrong.
☆get egg on my face
if someone makes a mistake which makes him look stupid, we can say ‘he got egg
on his face’.
Oops, looks like I got egg on my face.
