hái / zi / yí / ge / rén / zài / wài / dì / gōng / zuò / fù / mǔ / zǒng / shì / qiān / xīn / guà / cháng孩子一个人在外地工作,父母总是牵心挂肠。Their child works alone in another city, so the parents are always deeply worried.