1. The first sentence
Just because you're unhappy doesn't mean that you can take it out on me.
1.1 The translation of the first sentence
你心里不舒服脸哀，并不表示你可以拿我出氣
1.2 The summary from the first sentence
one： Just because XX doesn't mean XX （就因為...也不代表...）
two： Take it out on XX （拿 XX 出氣）
2. The second sentence
What's done is done. It's time to move on.
2.1 The translation of the second sentence
過去的已經(jīng)過去了，現(xiàn)在是向前看的時候了
2.2 The summary from the second sentence
one：It's what's done （就是這么做的）
two：It‘s time to do sth （是時候做某事了）
three：What done is done （木已成舟戴卜，無法挽回）
3.The third sentence
It is important for we young people to know what should be done or not.
3.1 The translation of the third sentence
對我們年輕人來說爸吮，了解什么該做，什么不該做是重要的
3.2 The summary from the third sentence
one：It is important for sb to do sth （對某人來說做某事是重要的）
two：It's what's should be done （應(yīng)該這樣做）
