lǎo / shī / ràng / wǒ / men / yòng / lán / dīng / jiāo / bǎ / dì / tú / gù / dìng / zài / hēi / bǎn / shàng老师让我们用蓝丁胶把地图固定在黑板上。The teacher asked us to use Blu-tack to attach the map to the blackboard.