要[yāo] 基本解释：
新英汉大词典：
- 要[yāo]
- 动词- （求） demand; ask- （强迫; 威胁） force; coerce
- 名词- （姓氏） a surname:
Yao Zhen要珍
- 要[yào]
- 形容词- （重要） important; essential:
extremely important;紧要
an important matter [affair]要事
- 名词- （重要的内容） essential points; headline:
outline; sketch; essentials;纲要
summary; abstract;摘要
- 动词- （希望得到; 希望保持） want; ask for; wish; desire:
All nations want peace.各国人民都要和平。
Anyone without a ticket can ask her for one.谁没有票，问她要。
- （请求； 要求）ask [want] sb. to do sth.:The old man asked me to write a letter for him.那位老人要我替他写封信。
He wants you back to work.他要你回去工作。
- （想要） want to; wish to:He wishes to talk to the mayor.他要同市长谈一谈。
I'd like to say a few more words.我还有几句话要说。
- （表示做某事的意志） want; have a desire for:He wants to learn Esperanto.他要学世界语。
- （须要; 应该） must; should; it is necessary [imperative, essential] that...:You must be careful as to what you say or do.你说话做事都要当心。
We should learn from advanced workers.我们要向先进工作者学习。
- （将要） shall; will; be going to:It is going to be dark soon.天快要黑了。
It is going to rain.要下雨了。
- （需要） need; take:It takes two hours to get there.到那里要两个小时。
You don't need so many people for this job.这活儿要不了这么多人。
- （表示估计，用于比较） might; must:It's colder today than yesterday.今天要比昨天冷。
You must have had a much tougher time than we did.你们要比我们辛苦得多。
- 连词- （如果） if; suppose; in case:
If it rains tomorrow, we won't go.明天要下雨，我们就不去了。
If he won't go, nor shall I.他要不去，我也不去。
例句与用法：
How do you want your steak?
The customs asked me if I had anything to declare.
Some man at the door is asking to see you.
I want to report a theft.
You have only to ask and he'll tell you.
It's just what I had in mind.
I want a double room with a view.