very quickly
很快

to learn quickly
學得快

to act bravely and quickly
表現勇敢、敏捷

To move quickly.
迅速移動

to walk quickly across the road
快步穿過大路

jelly that chills quickly.
迅速凝結的嗜喱

Without delay;quickly.
馬上沒有拖延地；很快地

Walking quickly tires her.
走快了她會累。

To move very quickly.
快速移動

picked up French very quickly.
很快地學起法語來