A coolie loses his footing的用法和样例：
- He loses his footing on the wet floor and fall.
- He lost his footing on the wet floor and fell.
- He lost his footing and fell into the ditch.
- Having left Graeme Murty trailing, his adroit cutback found Richardson only for the midfi elder to lose his footing.
- He lost his footing and was precipitated to the ground.