I can't understand the whole thing that he said.

(What is the meaning of the sentence?
1. I can't understand what he said at all.
2. I can't understand some(?) of what he said.
3. I cann understand almost all the things that he said, but not all.)

#3 comes the closest to the original sentence. #2 is close, but #3 states the idea better.

The meaning of the sentence "I can't understand the whole thing that he said" can vary depending on the context and the speaker's intention. However, there are a few possible interpretations:

1. "I can't understand what he said at all." In this case, the speaker is indicating that they were unable to comprehend any part of what was said by the other person. They are conveying a complete lack of understanding.

2. "I can't understand some of what he said." Here, the speaker is suggesting that they were able to understand certain parts of what was said, but not everything. They are acknowledging that they had some understanding, but not a complete comprehension.

3. "I can understand almost all the things that he said, but not all." This interpretation implies that the speaker was able to understand most of what was said, but there were still some parts that they had difficulty understanding or were unable to comprehend.

To clarify the specific meaning in a given context, it would be helpful to consider factors such as tone of voice, previous conversation, or any additional context that might shed light on the speaker's intention.