Their new colour scheme is hideous!

他们新的颜色搭配难看极了！

A new colour scheme will transform your bedroom.

新的色彩调配将使你的卧室焕然一新。

I propose to leave that colour scheme alone.

我打算不动那种色彩设计。

I think the colour scheme they've chosen is hideous.

我觉得他们选用的颜色配合起来难看极了。

I don't like the colour scheme in their sitting-room.

我不喜欢他们起居室的色调。