这时，张大爷的病已好多了，他见泥鳅送了瓜来，便高兴得一骨碌坐起来。泥鳅抱着大西瓜，叫他尝尝。

By then, Uncle Zhang was feeling a lot better. When he saw Niqiu bringing the watermelon, he sat up, rejoicing. Niqiu held the huge watermelon in his arms and asked Uncle Zhang to try it.