是不是

I didn't know if the prof has took attendance.

我不知道教授是不是已经点了名？

I don't kown if the professor had checked on each attendee.

我不知道教授是不是已经点了名？

In contrast, the singular use of oils reveal a singular mastery of the medium, as Tian Liang's brushwork and the visual impact of his compositions are suggestive of either mixed media or atypically non-Western materials.

相比之下，使用的油奇异揭示了介质的奇异掌握，因为田亮的笔法和他作品的视觉冲击，是不是混合媒介或不典型非西方的材料启发。

The "auteur theory" is as valid for film as for any other art.

是不是有些近乎丧心病狂。连话都听不懂了。

Above picture was the autodyne before I went out,many days I didn't photograph, I have some weight?

很多天不拍照，最近是不是有些发胖？

I didn't know if it was the right avenue to go down.

我不知道我是不是该沿着这条路一直走下去。

Members of the clan wear a backplate which bears the Orkish rune of their household which is enamelled in colour on a black ground.

就是在游戏里Ork们背后那块圆铁板，household这个词在这里很奇怪，不知道是不是部族的意思

Next you'll be telling me that the japanese don't like us foreign barbarians.

然后你是不是就告诉我日本人一点都不喜欢我们这群他国的野蛮人？

You don't know it's Barney's the store.

你不知道他指的是不是巴尼斯服饰店

And I do not know whether miss bates is not as likely to understand the inclinations of the rest of the people as any body.

我不 知道，贝茨小姐是不是对其他的人很了解。

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！