I've decided revenge is a pitiful pursuita and a waste of my fleeting time, so...我已決定,復(fù)仇是一個悲哀的追求目標也不值得我花費寶貴的時間,所以

a waste of 浪費, 白費

That's simply a waste of time.

這根本是浪費時間。

It is a waste of time to listen to his insignificant talk.

聽他那些廢話純屬浪費時間。

But if you indeed plan on being part of this family,但如果你的確想成為這個家庭的一份子

plan on 打算

He refused to adopt the plan on the grounds of its high cost.

他拒絕采納這個計劃，原因是成本太高。

Don't plan on my going with you, for I expect to be busy this weekend.

不要以為我會陪你去，因為本周末我會很忙的。

part of一部分

The last part of the ascent is very steep.

最后一段上坡路很陡。