Mathematics is the science of pure quantity.

数学是研究数量的学。

I helped him purely and simply out of friendship.

我帮他是出于友情。

The items he makes are purely decorative.

他做的那些物品用于装饰。

I guess it sheer waste of time arguing about it.

看来争论这件事是间。

I lost your file by pure mischance.

我把你的文件丢，是碰上倒霉事。

He saw a book on the table and picked it up, idly curious.

他看见桌子上一本书，出于好奇而拿起来。

I realized he accepted my suggestion for purely sentimental reasons.

我意识到他接受我的建议出于感情上的缘故。

The Zeitgeist of these centuries operated against the development of a pure science.

这几世纪的代精神阻碍学的发展。

The monarch’s role is purely ceremonial.

君主是个礼仪职位。

In the philosophy of Kant, a concept of reason that is transcendent but nonempirical.

理性概念康德哲学中的一个超验的，非经验的理性概念。

This is a purely hypothetical situation.

这是一种假设的情景。

Her posh accent is pure affectation.

她的髦腔调是矫揉造作。

It was purely a trick question.

这是一个有意捉弄人的问题。

It's laziness, pure and simple.

这是懒惰。

Her pains are mostly pure imagination.

她的疼痛多半是想像出来的东西。

By pure chance he found the rare book he needed in a little second-hand bookshop.

"由于偶然的机会,他在一家小旧书店里找到他所需要的那本难得的书。"

These changes are purely cosmetic.

这些改变是装饰门面。

Their friendship remained purely platonic.

他们保持着的友谊关系。

His ideas are positively antediluvian!

他的思想是的老古董!

It was mere waste of breath to argue with a person in so unreasonable a state of mind.

与一个如此不讲道理的人争论是口舌。