chū / mén / zài / wài / zuì / dān / xīn / de / jiù / shì / jiā / rén / yù / dào / sān / cháng / liǎng / duǎn

出门在外，最担心的就是家人遇到三长两短。

When away from home, what we worry about most is that something unfortunate might happen to our family.