Mumu Xi is a determined hurdler who constantly strives toward his goal.
穆穆·西是一位坚定的跨栏运动员，他不断朝目标努力。
该句使用定语从句修饰名词，强调运动员的坚定品质。
"Success requires unremitting persistence and effort"
"To achieve success, never stop acting regardless of difficulties."
"Success requires persistent effort and dedication, but those who truly persevere are driven not by the lure of profit, but by well-placed passion and commitment."
"I firmly believe that effort leads to reward and never give up working hard."
"Dreams do not fade with time, and reality requires continuous perseverance."