There's sort of a period around the age of four, four and a half, where kids make the transition from failure to success.

儿童在大约四岁四岁半时,会发生从失败向成功的转变

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There will be success and there will be failure.

既然有成功,就会有失败

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That is, ultimately they are human beings like anyone else and some of their differences in success or failure may have to do with their own interconnections and their own psychology and interpersonal psychology.

即他们跟其他人一样,都是普通的人,他们的成与败,很大程度上归结于他们自身原因,自我心理以及,人际心理

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