跑得快

run fast；run quickly

跑得快run fast;run a good foot;run quickly

爱丽丝跑得快Alice run faster

例句：

你跑得快吗？ Can you run fast

比尔跑得快，杰克跑得比比尔快，鲍伯在三者中跑得最快。 Bill runs quickly, Jack runs more quickly than Bill, and Bob runs most quickly of all.