求翻译：在公交车上，我看到一个外国人，他正在学习中文，而且在练习写中文字。旁边一个老人问他中文难不难，他说不难。他写中文太认真了，所以当他到站时，忘记下车了。是什么意思？

In the bus, I saw a foreigner, he is learning Chinese, but in practice writing Chinese characters. Next to an old man asked his Chinese is hard, not difficult, he said. He wrote too seriously, so when he was the station, forgot to get off.

On the bus, I see a foreigner, he is learning Chinese, but also in practice and write the text. An old man beside him is not difficult to be Chinese, he said that it was not difficult. He write Chinese too seriously, so when he was forgotten when the site was down.

On the public transportation, I saw to a foreigner, he is studying Chinese, moreover is practicing to write the Chinese character.Side an old person asked his Chinese is difficult, he said not difficultly.He wrote Chinese too to be earnest, when therefore he stationed of arrival time, forgot gotted

On the bus, I saw a foreigner, he is learning Chinese, and to practice writing Chinese characters. Next to an old man asked his Chinese is not difficult, he says it's not hard. He wrote Chinese too seriously, so when he arrives, and forget to get off.

正在翻译，请等待...