adj.严格的；吃力的
动词exact的现在分词形式.
If the government goes on exacting so much from the taxpayer, it will not last long. 如果该政府继续如此征税的话，它将不会持续多久。
His work was so exacting that by the end of the day he was worn out. 他的工作十分吃力,到一天过完的时候他已经精疲力竭了。
