Definition
to assemble or create something hastily and with little attention to detail
快速拼凑成；草率地做成
He knocked together a presentation at the last minute, hardly having time to edit it.
他在最后一刻匆匆拼凑了一个简报，几乎没有时间编辑。
She knocked up that plan carelessly, without considering all the details.
她草率地拟定了那个计划，没有考虑到所有的细节。
We need a prototype, so I'll knock one together quickly.
我们需要一个原型，所以我会快速拼凑一个出来。