挂车 guàchē trailer Origin Definitions Defs Strokes Stroke Words Sentences Sents 半挂车 bànguàchē semi-trailer A trailer for transporting goods that has wheels only at the back and is pulled by a tractor unit.拖挂车 tuōguàchē semi-trailer a heavy cargo truck consisting of a tractor unit pulling a trailer; big rig or 18-wheeler