The Hurdle has 3 leagues, Apprentice, Master & Legend. Each league has *3 to 5 levels.
At level 1, get correct answers for 3 questions consecutively, you move on to level 2.
At level 2, get correct answers for 5 questions consecutively, you move on to level 3, Get correct answers for 10 & 15 questions consecutively, you move on to level 4 & 5,
And, at level 5, get correct answers for 20 questions consecutively, you overcome the last level of the league.

游戏的难度分学徒、大师和传说三个等级，每个等级有*3至5不等的阶段。
每一个阶段“连续”答对3题，将进入第二阶段。
在第二阶段“连续”答对5题，将进入第三阶段。 必须“连续”答对10题、15题，才能进入第四和第五阶段。
而在第五阶段，“连续”答对20题，就成功跨越一个等级的最后一个阶段。

*3 opportunities for each set in each level, replay the set if got the third question wrong
每阶段的每一局有3次机会，在答错第三题后，必须重新开始新的一局。