a stiff glass of rum的用法和样例：
- Have a glass of beer to rinse your dinner down.
- He had a glass of milk which laced with rum .
- Then when we had eaten our pork, and each had a good stiff glass of brandy grog, the three chiefs got together in a corner to discuss our prospects.
- He had a glass of milk which laced with rum.
- Then he rapped on the door with a bit of stick like a handspike that he carried, and when my father appeared, called roughly for a glass of rum.