人生は境目をどう超えるかで大きく変わると彼女は言う

N3 人生 jinsei life, human life N3 境 sakai border, boundary, division N5 目 me eye N5 どう dou how N3 超える koeru exceed, surpass, go beyond N3 大 dai big, large, great N4 変わる kawaru change, transform, vary N5 彼女 kanojo she N5 言う iu to say

N4 言 gen, gon / i.u, koto say, word, dire

N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information