a crossword puzzle的用法和樣例：
例句
- She's a genius at doing crossword puzzles.
她做縱橫填字游戲是一絕。 - He had been puzzling all day for the answer to the last clue in the crossword and was about to tear his hair out when his wife told him the correct answer.
他整整一天都在為能解答縱橫填字的最后一個(gè)迷而苦思，就在他幾乎已是集躁不安的時(shí)候，他妻子告訴他正確的答案。
