tudni 用英语:

to know sth from one's own experience

I can't forget him.

If we can just make it through one more month, we'll be sitting pretty.

Global warming can cause serious problems for wild animals, too.

I can give you a copy of the report, but I can't vouch for its accuracy.

I'm driving into town so I can drop you off on the way.

A wooden building can easily catch fire.

Who can read the heroic deeds of brave men without a feeling of respect and admiration?

It's a very dangerous sport, where a slight mistake can lead to serious injury.

Can I go horseback riding next Sunday?

Many people believe acupuncture can cure diseases.

We can continue playing, as long as we don't make too much noise.

Eating healthfully can help prevent heart disease.

The hospital restricts the number of visitors who can enter the intensive care unit.

Can we really learn to speak a foreign language like a native?

The city can be reached in less than 20 minutes by car from here.