求翻译：妈妈为此说过我好多次，我不听，我认为，这样有什么不好呢？上了中学，我变了，遇见长辈先问好，看到老师会向老师弯腰问好；是什么意思？

Thus the mother said that I many times, I do not listen, I think, that there's anything wrong with that? On the high school, I changed, first met the elders say hello, see the teacher will say hello to the teacher bent over;

To that end, my mother said I unsympathetically I will not listen, I do not believe that such a bad thing? In high school, I had been changed, and their elders met first-come-first-served basis, see teachers will send greetings to your teacher greeting bent down;

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Mother told me many times, I do not hear them, I think, so what's wrong with it? Secondary on I changed, met the Elders say hello first, saw the teacher say hello to teachers bend over;

Mother told me many times, I do not hear them, I think, so what's wrong with it? Upper secondary school, I have changed, met the Elders say hello first, the teacher will say hello to teachers bend over;