bricks
Bricks are rectangular blocks of baked clay used for building walls, which are usually red or brown. Brick is the material made up of these blocks.
She built bookshelves out of bricks and planks.
她用砖和厚木板制作了书架。
hit a brick wall , come up against a brick wall
If you hit a brick wall or come up against a brick wall, you are unable to continue or make progress because something stops you.
After that my career just seemed to hit a brick wall.
从那以后我的事业似乎就停滞不前了。