have to
英 [ˈhæv tə]
美 [ˈhæv tə]
modal 必须; 不得不; 劝告或建议时用; 表示一定真实或肯定发生
Oxford 3000
同义词辨析
obligev. 〈正式〉非做…不可，迫使
〔辨析〕
指因法律、义务、形势等关系而不得不做某事，通常用被动语态。
〔例证〕
He was obliged to tell the truth.
他被迫讲出了实情。
Poverty obliged her to live a hard life.
贫困迫使她过艰苦的生活。
The law obliges parents to send their children to school.
法律强制父母送子女入学。
他被迫讲出了实情。
Poverty obliged her to live a hard life.
贫困迫使她过艰苦的生活。
The law obliges parents to send their children to school.
法律强制父母送子女入学。
have tomodal v. 必须，不得不
〔辨析〕
指客观情况迫使某人做某事，侧重于客观上的“必须”。
〔例证〕
Did she have to pay a fine?
她非得交罚款吗？
I have to admit that the idea of marriage scares me.
我不得不承认，一想到结婚我就害怕。
她非得交罚款吗？
I have to admit that the idea of marriage scares me.
我不得不承认，一想到结婚我就害怕。
mustmodal v. 必须
〔辨析〕
指因需要、命令或强制而必得做某事，侧重于主观上的“必须”。
〔例证〕
We must take action at once.
我们必须立即采取行动。
I think we must reduce our prices or spend more money on advertising.
我认为我们必须降低价格，或者是在广告上花更多的钱。
我们必须立即采取行动。
I think we must reduce our prices or spend more money on advertising.
我认为我们必须降低价格，或者是在广告上花更多的钱。
牛津词典
modal verb
- 必须；不得不
used to show that you must do sth- Sorry, I've got to go.
对不起，我必须走了。 - Did she have to pay a fine?
她非得交罚款吗？ - You don't have to knock─just walk in.
不必敲门——进来就是了。 - I haven't got to leave till seven.
我可以等到七点钟才离开。 - First, you have to think logically about your fears.
首先，你得对你担忧的理由好好地想想。 - I have to admit , the idea of marriage scares me.
我不得不承认，一想到结婚我就害怕。 - Do you have to go?
你非得走吗？ - Have you got to go?
你非得走吗？
- Sorry, I've got to go.
- （劝告或建议时用）
used to give advice or recommend sth- You simply have to get a new job.
你就是得找份新工作。 - You've got to try this recipe─it's delicious.
你得试试这种烹调法——味道很不错。
- You simply have to get a new job.
- （表示一定真实或肯定发生）
used to say that sth must be true or must happen- There has to be a reason for his strange behaviour.
他的古怪行为一定事出有因。 - This war has got to end soon.
这场战争必将很快结束。
- There has to be a reason for his strange behaviour.
- （用以暗示麻烦的事或某人有意捣蛋）
used to suggest that an annoying event happens in order to annoy you, or that sb does sth in order to annoy you- Of course, it had to start raining as soon as we got to the beach.
可恶的雨，我们一到海滩它就非得下起来。 - Do you have to hum so loudly? (= it is annoying)
你非得用这么大嗓门哼唱不可吗？
- Of course, it had to start raining as soon as we got to the beach.
双语例句
- You have to learn to face your problem
你要学会面对自己的问题。 - I enumerate the work that will have to be done.
我列举了必须得做的一些工作。 - I ain't got kids, but I have to pay towards the schools.
我没有孩子，但是我必须向学校交钱。 - You have to admit that you are, in fact, in difficulties
你不得不承认，你事实上是陷入了困境。 - You have to be careful what you say on telly
在电视上说话时你必须很谨慎。 - I felt sure I'd have to kiss my dancing career goodbye.
我明确感觉到我将不得不与我的舞蹈生涯说再见了。 - We have to prove how gritty we are.
我们必须证明我们有多么勇敢无畏。 - The world will be different, and we will have to be prepared to adapt to the change
世界会变得不同，我们必须做好准备以适应其变化。 - You have to understand how cells interact
你必须明白细胞是怎样相互作用的。 - Credit cards can be handy — they mean you do not have to carry large sums of cash.
信用卡很方便，有了它你就不用携带大量现金了。