Ответы на викторину выше:

🤓knees-up = A very informal gathering for any type of celebration. Involving plenty of impromptue singing, dancing, and drinking
т.е что-то вроде вечеринки, кутежа, попойки

▫️The end of the school year was celebrated by students from the school with a posh knees-up at a York hotel on Friday
▫️We had a knees-up to celebrate his retirement.

🤓be on top of something = to be able to control a situation or deal with it
т.е владеть ситуацией, держать под контролем

▫️It's a new challenge, and it's something you can never really get on top of.
▫️Things get crazy at times and it becomes hard to stay on top of everything but I have a great team

На все ответили правильно? 😌