piece up
patch up修补；接合
Let's piece up this broken tyre．我们来把这个破轮胎修补一下。
He was trying to piece up those fragments．他在设法把那些碎片拼合起来。
pile in（to）
1．push， crowd into （a car， room，football ground，etc．）挤进；拥入
All five of us piled into George's car．我们 5个人全都挤进了乔治的汽车。
Reports of bumper harvests came piling in from all parts of the country．丰收的消息从全国各地涌来。
2． eat吃
The meal is ready， pile in．饭好了，吃吧。
3．attack violently猛烈攻击
John piled into his opponent， almost knocking him down at the first assault．约翰猛击对手，第1次攻击就几乎把他打倒在地。