liǎng / zhī / duì / wǔ / qí / tóu / gǎn / lù / zhí / dào / tiān / hēi / cái / tíng / xià / lái / xiū / xi

两支队伍齐头赶路，直到天黑才停下来休息。

The two teams traveled side by side and stopped to rest only after dark.