无理要求的英文：
exaction

Don't truckle under to unreasonable demands.
不要向无理要求屈服。

The authority has no exacting responsibility.
（授予的）职权没有明确责任。

What's the exact count?
确切的总数是多少？

The task proved to be exacting.
这项任务结果是很艰巨的。

They haven't totalled the exact figures.
他们还没有对确切数据进行总计。

She' s a very exact person.
她是个一丝不苟的人。