Correct the underlined mistakes in the English sentence, and give the reason why you correct it in your way(改错原因可用汉语写). The meaning of the English sentence must be equivalent to that of the Chinese. C: 许多人聪明能干,但一辈子成就甚少,因为他们害怕可能不得不承受的种种艰难。 E: Many smart and capable people do not achieve a lot in their life because they are afraid of the 1) toughs they may have to 2) endow .