Expression

어제 시험 준비하느라 정말 힘들었다.

Studying for the exam yesterday was really hard.

식빵을 구웠는데 식빵틀 밑부분이 눌어 붙어서 떼기 힘들었다.

I baked some bread in a loaf pan, but the bottom stuck to it and it was really hard to get out.