不知的

I know there are inconveniences with this kind of grilling - lighting the coals, controlling the resulting temperature, knowing when to put the meat on, the lengthiness of the whole process, and so on.

我知道有这种不便的烤类-照明煤，控制由此产生的温度，不知什么时候放肉，整个过程持续时间过长，等等。

We're not so well-equipped with dealing rationally with very long term problems like climate change.

对于长期的问题，我们就不知如何正确的应对，就像气候变迁这种。

The winter solstice having stealthily come on, the lowness of the sun caused the hour to seem later than it actually was.

冬至既然已经人不知鬼不觉地就来到了，所以低低的太阳，就把实在还早的时光弄得仿佛已经很晚了。

A simple mail server procedures, I do not know to be able to help.

一个简单的邮件服务器的程序，不知能不能给帮助。

One test proved suprising because for unknown reasons, the ten megaton bomb produced a twenty to thirty megaton explosion.

一个测试证明令人吃惊，因为不知什麼原因，那个10百万吨级的炸弹产生了一个20至30百万吨级的爆炸。

In your letter referred to the memory requirements, I wonder whether you considered a dedicated word processor?

您信中提到对记忆功能的要求，不知您是否考虑过专用的文字处理器？

Oval milkweed somehow returned to the restored barren although it grows nowhere else in the state.

不知什么原因，尽管州里其它任何地方都没有它的影子，马利筋却在这块重建的荒野恢复生长了。

The man who ten years back, and one year later, was looked on as a miscreant outside the law, was sent by them to an island two days' journey from France, given to him as his domain, with guards and millions of money, as though to pay him for some service he had done.

这个十年前和一年后被认为无法无天的强盗，被遣送到离法国两天航程的小岛上，并让他管辖小岛，又给了他卫队，不知为什么还送给他几百万金钱。

Facing thees numerous and complicated molecular formula, he doesn't know what to do, because he is a layman to them.

面对着这些纷繁的分子式，他不知如何是好，因为他对它们一窍不通，他是学艺术的。

You don't know fat is your natural enemy and ugly is your monody.

你不知肥胖是你的天敌，丑陋是你的挽歌。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。