neat

His desk is always neat, with all his pens arranged by color.

(Chinese) 他的书桌总是很整洁，所有的笔都按颜色排列好。

The librarian insisted that all books be kept in neat rows on the shelves.

(Chinese) 图书管理员坚持要求所有的书在书架上都要摆成整齐的一排。

It’s a really neat trick how he can make a coin disappear into thin air.

(Chinese) 他能让硬币凭空消失，这个把戏真是太棒了。

That’s a neat idea for a science project; I’ve never seen anything like it.

(Chinese) 那是个非常巧妙的科学项目创意；我以前从未见过类似的东西。