1. I think

This is the most common and general way of giving an opinion. You can use it both informally and formally.
这是表达意见最常用的句式，正式与非正式场合皆可用。

例句：When you’re older I think you’d be better equipped mentally to cope with whatever happens.
等你再大一些，我想你就会有更好的心理准备来应对任何事情。

2. I reckon

This is a more informal way of giving your opinion.
这个句式更多地用在非正式场合。

例句：I reckon it was the best office party we have ever had.
我觉得这是我们办公室历年来最有趣的派对。

3. In my opinion / In my view

These expressions are more formal and are often used when talking about important issues.
这两个词组比较正式，通常用来讨论比较重要的事情。

例句：In my view, our performances at the moment have been affected by tiredness.
在我看来, 我们此刻的表现都是因为太累了。

例句：In my opinion, the Bank of England should not raise interest rates this year.
我认为英格兰银行今年不该提高利率。

4. It seems to me / All things considered

When you’ve thought about a situation carefully you could use either of these two expressions.
这两个句式常用来表达经过深思熟虑后的意见。

例句：It seems to me that this crime was foreseeable and that this death was preventable.
在我看来，这起犯罪本来是可以预见的，受害者的死也是可以避免的。

例句：All things considered, I think we made a wise choice in recruiting James.
全面考虑后，我觉得录用詹姆斯是一个明智的选择。

5. If you ask me

This is used when your opinion is critical. Sometimes, people say this even when their opinion hasn’t been asked for!
这个句式可以用来表达建设性的批评或意见。

例句：If you ask me, she has spoilt her children far too much.
依我说，都是她把孩子宠坏了。

6. To be honest / To tell you the truth / To be frank

All three expressions are a way of giving your opinion when you know that people may not like what you have to say.
如果需要说些不讨喜的话，这三个短语能派上用场。

例句：To tell you the truth, your plan is unrealistic.
恕我直言, 你的计划不太现实。

例句：To be honest, the house is not quite our style.
说实话，这房子我们不太喜欢。

例句：To be frank, I don’t like him.
坦白讲，我不太喜欢他。

7. Personally

This is used to emphasize that you are giving your own opinion.
用这个词来强调你的个人意见。

例句：Personally, I couldn’t care less whether the Giants come or not.
就我个人来说，我根本就不在乎巨人队来不来。

8. As far as I’m concerned

When you realize that other people may not agree with you, you would use this expression.
如果你觉得别人可能不会认同你的意见，这个短语是最佳选择。

例句：As far as I’m concerned, that is the finest painting Picasso ever painted.
依我看, 这是毕加索最好的一幅画