be ready to roll idiom mainly US
就绪;即将发生
to be going to start soon
The new TV series from the West Wing team is ready to roll. “白宫风云”小组制作的新电视连续剧即将播放。
即将离开
to be going to leave soon
Give me a call when you're ready to roll and I'll meet you outside. 当你准备好要走的时候给我一个电话，我会在外面和你汇合。