I was a teenage teenager full of piss and vinegar

我就是活力四射的青春

full of充满； 牣； 尽是；

例句：

When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.

当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。

Jem was full of beans after a long sleep.

杰姆好好睡了一觉之后又变得精力充沛了。

The town itself was full of life and character.

这个城市本身充满活力，个性十足。

I don't want to freak you out but I cannot lie

我不想吓唬你，但我不能撒谎

Freak out [俚]（因吸毒等而）产生幻觉； （使）极度兴奋；[口语]行为反常

例句：

We are going to freak out if you do not show up.

你不来我们就要发疯了. (freakout这个 词用的可多了,不好怎么明确地解释)

I freak out every time I see a bug.

我每次看到虫子都会吓得发疯.

The party last night was a real freak - out.

昨晚的舞会真是一场胡闹.