머리는 -> 버리는
버리다 = throw away; discard
돌 = the first birthday (anniversary) = 첫돌
환갑 = 還甲= 60th birthday

我還是不會翻譯！

쓰레기를 버리는 훈련을 어려서부터 철저하게 시켜라.
Thoroughly train (children) to throw trash out (properly) when they are young.
세 살 버릇이 여든까지 간다.
A habit learned at three can be carried to one's eighties. That is, old habit dies hard.
(In this expression, 세살/여든 is more commonly used than 돌/환갑.)

小恐龍， 感激不敬。

i think should be 感激不尽。　不敬 means 不尊敬。不尽 means 不止尽。

Oh~~~ I see.

Sorry to confuse XKL, 感激不尽
but the jin just wont show up here