I should've known better.とは 意味・読み方・使い方

I'd like to know more about that.

I should know more about that.

I should be more careful.

I thought that I needed to be more put together.

I should be able to do more.

I need to work on that more.

I must make more of an effort.

You ought to have [should have] worked harder.

Why didn't you study harder!

I should have lived more proactively.

I want to improve that more.

You should have been more careful.

You should've been more careful.

I should have dealt with it more seriously.

You must study more.

You should study harder.

I want to improve myself even more than now.

I should have studied that more.

You should've been more careful.

I place more importance on that.

I should have studied more.

I should have been more careful!

You should have been more careful.

I think that will improve.

I was able to deepen my knowledge more.

That's tons better.

It's miles better.＝It's better by miles.

You should have talked more politely.

You should have spoken more politely.

You should've spoken more politely.