cause (someone) to feel confused because they cannot understand something
an evergreen coniferous tree with branches covered in spirals of tough spiny leaf-like scales, native to Chile
solve or understand something by thinking hard
a puzzle consisting of a picture printed on cardboard or wood and cut into various pieces of different shapes that have to be fitted together
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues
an evergreen coniferous tree with branches covered in spirals of tough spiny leaf-like scales, native to Chile