1.on top of that 更重要的是
On top of that, Obama will now be branded as the president who presided over the national humiliation of a debt downgrade.
更重要的是，奥巴马则会被冠以他在总统任期内美国因为主权债务降级而蒙受了国耻的罪名8A#M[WL)[_+v%%n^Q。

2.stood sb. up 爽约；放鸽子
I had a date with a really hot girl last week, but she stood me up after realizing she was way too good for me.
上周我本来要跟一个特别正的辣妹约会的，结果她觉得我实在配不上她就放我鸽子了iqtG;aQ;uMsc2v。

3.sleep on sth. 先考虑考虑，留待之后再作决定/答复
I don't know if I want to go on such a long hike; let me sleep on it.
我不知道要不要参加这么长的徒步活动，让我先想想Z].v.WMq.4f0dmi)c]。

4.equal parts 半是……半是……
The presenters, with equal parts humility and thrill, reveal how much money they're seeking to raise.
半是谦卑、半是激动的演讲者们披露希望募集的资金数量Vw)&n_GKBc-v[Wj。