The bottom line is that we have to make a decision today.
底线是，我们今天必须作出决定。
2.punk rock 朋克摇滚
By the 80s, punk rock had really had its heyday.
到了20世纪80年代，朋克摇滚乐已经到了全盛时期。
3.not at all 一点也不
It's not at all certain whether I'll come tomorrow.
我明天还不定来不来呢。
4.a bunch of 一些
We saw the Park Keeper telling a bunch of older boys to get off the swings.
我们看到公园管理员让一些大男孩从秋千上下来。
5.big deal 大事
I felt the pressure on me, winning was such a big deal for the whole family.
我感觉到了压力，取胜对全家来说是如此重要。
