mid-14c., "irrational, illogical," from un- (1) "not" + reasonable. From late 14c. as "excessive, going beyond what is sensible or realistic." Related: Unreasonably; unreasonableness.
权威例句
1. The job was beginning to make unreasonable demands on his free time.
他的闲暇时间开始被工作过分地侵占了。
2. I know that they made the most unreasonable demands on you.
我知道他们对你提出了最不合理的要求.
3. His request is unreasonable in that he knows we can't afford it.
他的要求是不合理的,因为他知道我们负担不起.
4. I know they have made the most unreasonable demands on you.
我知道他们向你提出了最无理的要求.
5. They spend an unreasonable amount of money on clothes.