Gāosù gōnglù shàng pāomáo le, děi jiào qīngzhàngchē lái tuō.
The car broke down on the highway - we need to call a tow truck.
Tips
memory
清 (clear) + 障 (obstruction) + 车 (vehicle) = "obstruction-clearing vehicle." The whole word literally describes what a tow truck does: clear the road of disabled vehicles.
