before you can say Jack knife 基本例句 马上;立即 You look not well,you'd better go to see a doctor.你脸色不太好，最好马上去看一下医生。 They cannot readily agree to it.他们不能对此马上作出应诺。 I desire you to set to work at once.我希望你立即开始工作。 Please wire as soon as you hear.你一听到就请立即拍电报给我。