pile up 1. (把…)堆积起来；积累，积聚 Snow piled up in the drive. 雪在车道上积了起来。 The books were piled up on the floor. 书堆放在地板上。 His work has piled up while he's been away. 他离开的这阵子把工作积压下来了。 The clouds are piling up. 云愈积愈密。 pile up money 积钱 2. (船)搁浅；使(船)搁浅；(汽车、飞机等)撞毁；使(汽车、飞机等)撞毁