1.handed down 传达
Languages are not invented by experts and handed down.
语言不是由专家发明并传递下来的 。
2.lost control of 失控
The pilot lost control of the plane.
飞行员失去了对飞机的控制 。
3.the lower house 众议院
In Monday's polls, voters elected 47 members of the lower house of parliament.
在星期一举行的选举中,选民选出了议会下院的47名议员 。
4.broke out 爆发
You did well to leave the country before war broke out.
你在战争爆发以前就离开那国家是适当的 。