求翻译：　　有这样一种朋友，当你缺乏自信时，给予鼓励的人。他总是有足够的理由让你去面对困难，他总是给你万分的勇气让你去接受挑战。是什么意思？

　　Have a friend, when when you lack confidence, encouragement of people. He always has enough reason for you to face the difficulties, he always give you the courage to let you to accept the challenge.