Here are the rewritten sentences based on the given words:

1. The traffic in big cities is horrible. I can’t bear it.
→ I can’t put up with the horrible traffic in big cities.

2. I think that the new classmate will soon have a good relationship with others.
→ I think the new classmate will get along well with others.

3. “It took me nearly three days to finish this special ceramic vase,” said the craftsman.
→ The craftsman said that it took him nearly three days to finish that special ceramic vase.

4. Jenny was the only one in the class who failed the exam, so she was very sad.
→ Jenny was very upset because she was the only one in the class who failed the exam.

5. I have never bought such a beautiful and expensive ancient pottery item before.
→ This is the most beautiful and expensive ancient pottery item I have ever bought.