รู้เรื่อง

We can't communicate understandably.

I heard the voice but couldn't understand it.

That person spoke too rapidly; I couldn't understand.

He mumbled, so I didn't understand.

She whispered so fast that I couldn't understand.

The listener must interpret in order to communicate understandably.

That Westerner replied so rapidly that I couldn't understand.

Yesterday I got to hear a strange accent, so I couldn't understand.

If you speak more slowly, I will understand.

The vendor has a strange accent and a soft tone of voice; I don't understand.

That man speaks rapidly; I don't understand the gist.

The teenager speaks the local dialect rapidly, but I understand.