Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
puzzle - n. a question or problem that requires thought, skill, or cleverness to be answered or solved
entertain - v. to provide amusement for (someone)
addictive- adj. very enjoyable in a way that makes you want to do or have something again
fan - n. a person who likes and admires someone (such as a famous person) or something (such as a sport or a sports team) in a very enthusiastic way
classic - adj. used to describe something that has been popular for a long time
row - n. a horizontal section of a page; items that are next to one another
column - n. a vertical section of a page; items that are underneath and above each other
category - n. a group of people or things that are similar in some way
hexagon - n. a flat shape that has six angles and six sides
grid - n. a pattern of lines that cross each other to form squares on a piece of paper, a map, etc.
theme - n. the color and style of a website or app
