Yóudìyuán báshānshèshuǐ, bǎ xìn sòng dào piānyuǎn de cūnzhuāng.
The postal carrier crossed mountains and streams to deliver letters to remote villages.
Tips
history
Roots in《诗经·鄘风·载驰》(大夫跋涉，我心则忧) and《左传·襄公二十八年》(跋山涉水，蒙犯霜露). The full four-character form is the Zuozhuan version, describing diplomatic missions through wilderness.
usage
Implies hardship and dedication, not just travel. Often used about scientists, surveyors, mail carriers, soldiers — people whose work demands traversing rough country.
