to slap something together 草率地完成(非正式)
英文释义
(INFORMAL) To assemble something hastily, usually without any attention to quality or permanence.
例句
Please give me advance notice about meetings at which I speak because I want time to prepare properly, instead of just slapping a quick presentation together.
请提前通知需要我讲话的会议,因为我想花些时间做准备,不想草草说两句就收场。