1.be referred to as 被称为
Our economy is referred to as a free market.
我们的经济被称作自由市场经济 。
2.at short notice 立刻;在短时间内
Britain was poised to fly medical staff to the country at short notice
英国随时准备把医护人员空运到该国 。
3.be left behind 落后
Nobody is willing to be left behind.
谁也不甘心落后 。
4.abound 大量存在
Stories about his travels abound.
有关他游历的故事多得很 。