我不过是家里的顶梁柱，为什么要娇惯我呢——为什么，为什么，为什么！

I am only the breadwinner, why should I be coddled--why, why, why!

youdao

至于我的爸爸，他是家里的顶梁柱。

As to my father, he is the backbone of my family.

youdao

因此，在我的印象里，爷爷是一个勤劳、坚强的人，是家里的顶梁柱。

Therefore, in my mind, grandfather is a diligent and strong man who is the backbone of the family.

youdao