fast的副词比较级是farther.
farther:
adj.更远的;(空间、方向或时间上)较远的。
adv.(时间或空间上)较远。
far的比较级。
扩展资料
They hadnt got any farther with the work.
他们的`工作毫无进展。
We watched their ship moving gradually farther away.
我们望着他们的船渐渐远去。
The farther north they went, the colder it became.
他们愈往北去,天气就变得愈冷。
As a family we grew farther and farther apart.
我们一家人越来越疏远了。
I cant go any farther.
我再也走不动了。