1. We''ll have to step on it if we don''t want to be late.
    如果我们不想迟到的话，得赶快。

2. We were late, so we told the taxi driver to step on it.
    我们迟到了，所以我们请司机赶快。

1. 快一點：Go faster.快一點 | Step on it. 快一點 | Go do your homework now.快去做功課

2. danci.911cha.com

2. 加快速度;赶紧：227. Give another person a break 给予自新的机会 | 228. Step on it 加快速度;赶紧 | 230. Hold one's own 可与...匹敌

3. 開快點：82. I'd like to rent a car one way. 我想租單程車. | 83. Step on it. 開快點. | 84. Valet parking only, sir. 先生,只能代客停車.

1. move fast

    e.g. He rushed down the hall to receive his guests
           The cars raced down the street

    Synonym: rushhotfoothastenhiespeedracepelt alongrush alongcannonball alongbucket alongbelt along