1. from thin air 凭空
You need to work hard—opportunities don't just come from thin air.
你得付出努力，机会是不会凭空降临到一个人头上的EV&HHPuto[pN4k=(。

2. the vast majority of 绝大多数……
In the vast majority of cases there was no trial, no report of the arrest. People simply disappeared, always during the night.
绝大多数案件都没有审判，也没有抓捕记录d#C&~UW=Yp.B(P-qEN2q。人就这么活活消失了，而且总是在夜里Q[L+3LXd2,#]Q+6L1[。

3. in defense of 捍卫；辩护
He wrote the poem in memory of his wife who offered her life in defense of the country.
他写这首诗是为了纪念他那为国捐躯的妻子(i38JEv8%S^wr)+b!o.[。

4. culminate with 达到顶峰
1960s - It was the time of huge economic growth that culminated with the invention of the mini skirt in 1965.
1960年代——这是一个经济巨增，并随着1965年迷你裙的发明而达到顶峰的时代;Wf.zyHJeGxY。