Try something more challenging than brownies or chocolate chip cookies, e.g., baklava or tira misu.
试着做些比果仁蛋糕或巧克力脆曲奇更有挑战性的东西，比如蜜糖果仁千层酥或提拉米苏。
Something that 15 years ago was the exclusive domain of advanced computer users has become a simple everyday experience for many — one no more challenging than using the phone or a microwave oven.
15年前，电脑还是一个奢侈的享受，但现在已经成为了日用品，可能比用手机和微波炉的使用者更多。
Well, crossword puzzles aren't a very deep subject, and we might wonder whether or not we would do better if we were engaged in something more mentally challenging than that.
填字游戏不算很深奥的东西，我们也不知道自己能否做得更好，如果我们去做，比填字游戏更富挑战性的事情。
Swell. Thumb wrestling is a good idea to get you started. Or, let's do something more challenging.
玩拇指摔跤是个不错的主意，或者一起玩一些更有挑战的游戏。
Swell. Thumb wrestling is a good idea to get you started. Or, let's do something more challenging.
玩拇指摔跤是个不错的主意，或者一起玩一些更有挑战的游戏。
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