I'm really stressed out when I fall behind with my work.
catch up on - nadrabiać (zaległości)
She has been ill and has to catch up on school work.
get down to work - zabierać się do pracy
He sometimes finds it difficult to get down to work.
It's sometimes difficult for students to take in infrmation in a lesson.
feel out of your depth - całkowicie się pogubić
Tom felt totally out of his depth in Maths and couldn't undestand the topic.
a piece of cake - łatwizna
This exam was a piece of cake.
Anna is a night owl and often burns the midnight oil.
know something inside out - znać coś na wylot
He is an expert and knows this subject inside out.
pass (an exam) with flying colours - zdać (egzamin) śpiewająco
It was the most difficult exam but she passed it with flying colours.
coat - Zara (old collection)
bag/boots/bow - Zara
blouse - Mango (old collection)
belt - H&M