英语翻译问题！恳请高人指教！

1.我认为，父母对于孩子的影响之大，绝对不是几句话就可以说完的。
I think it will be a long story if we're going to explain how could parents strongly affect their children.
（注："it's a long story" = “说来话长，非三言两语可以表达清楚的”）

2.首先，我想利用心理学的有关知识来论证我的观点。
First of all, I would like to demonstrate my viewpoints with relevant psychological knowledge.

3.通过这个，我们可以顺利度过青春期——这个心理发育的重要时期。
In this way, we can favoringly go through adolescence which is an important stage of psychological development.

-------------------------请详阅译文，有问题可联系------------------------

In my opinion, parental influence upon children is complicated and cannot be generalised with a few words (有点赘, 或者直接写: in my opinion, parental influence upon children is too complicated to generalize)

Firstly, i want to support my argumentation with relevant psychological theories.

With this we can ensure a smooth transition through puberty, which is a critical stage in indi