
1) Apples and oranges – эта идиома пригодится при сравнении несопоставимых вещей. А какой это классный сингл Pink Floyd...
You seem to be mixing apples and oranges – these two projects have nothing in common.
2) Carrot and stick approach – метод кнута и пряника.
He favoured a carrot and stick approach to teaching.
3) Go pear-shaped – не заладиться, провалиться.
All our vacation plans went pear-shaped because of this quarantine.
4) Play gooseberry – быть третьим лишним.
My friend invited her Tinder date to join us in a bar. I wished I had gone home instead of playing gooseberry.
5) Life is just a bowl of cherries – если ваша жизнь напоминает тарелку с вишней, ваши дела идут прекрасно.
Looking back, I realise that my life was just a bowl of cherries although I was not really aware of it at that time.
Cheers!