Rivers are drying up, grazing land for cattle is scarce, and the dry soil is hard to farm.

VOA: standard.2010.04.01

It's one of the most rapidly changing, hard to keep up with areas because someone can set up an electronic exchange overnight and suddenly become a base for trading trillions of dollars of securities.

经纪业是一个变化最快的行业之一,人们很难跟上它的步伐,因为人们可以在头一天晚上,设置一个电子交易,一夜之间,他就能在证券市场赚到千亿美金

耶鲁公开课 - 金融市场课程节选

but I made up for it by working really hard on the gym and working really hard on the field.

但我通过体育馆和足球场上的刻苦训练弥补了天赋不足。

足球部队长的领导力 - SpeakingMax英语口语达人

But for the young who make up most of the population, learning this history has been hard to do - schools have up to now just not taught it.

VOA: standard.2010.04.19