英文裡還有一個單字 quickly（聽發音）也是很快的、迅速的或急速的等意思，同樣是副詞用法，用起來與 rapidly 類似，舉例來說，英文常聽到 as quickly as possible 就是盡快的意思，迅速的移動則可以說 move quickly。
迅速英文造句練習
Peter rapid finished his homework in order to go out and play.彼得為了要出去玩，迅速的把作業寫完了。
The enemy is ahead, and the combatant commander must rapid issue the correct instruction.
敵軍就在前頭，作戰指揮官必須迅速的下達正確指令。
In order to save everyone's time, Jack quickly made a decision.
為了節省大家的時間，傑克迅速作了決定。
Because there are sharks in the sea, everybody quickly go ashore.
因為海裡有鯊魚，大家迅速的上岸。
The phone rang, Jolie quickly pick up the phone.
電話一響，裘莉迅速的接起電話。
Suddenly it began to rain, and the people on the street quickly hid under the corridor.
突然下起大雨，街上的人迅速躲在走廊底下。
A wild dog bites off Jim and quickly runs away.
一隻野狗咬了吉姆一口後，就迅速跑走了。
Carter's sister entered the house, rapidly hide in her room.
卡特的妹妹一進家門，就迅速的躲進自己的房間。