There is no knowing how estates will go when once they come to be entailed.

一个人的产业一旦要限定继承人，那你就无从知道它会落到谁的手里去。”

'There is no knowing what sacrifices you would not have made, ' said her brother-in-law.

“谁知道你不会做出什么样的牺牲， ” 她的姐夫说。

" There is no knowing to what lengths the mischief may go, " said Sir James, anxiously.

“不知道这场恶作剧会持续多久， ” 詹姆斯爵士焦急地说。

There is no knowing what future discoveries are in store from this mysterious planet, but scientists continue to study and observe in an attempt to understand it.

在这颗神秘的行星上我们在未来又会有怎样的发现，但科学家仍不断研究和探索试图深入了解天王星。

" Oh, I would wait a little longer than to-morrow — there is no knowing what may happen, " said Lydgate, with bitter irony.

“哦，我会比明天多等一会——不知道会发生什么， ” 利德盖特带着尖锐的讽刺意味说道。

Juno is expected to achieve orbit around the planet in July of 2016, and there is no knowing what new, exciting information it will reveal about Jupiter, the giant of the solar system.

朱诺有望在2016年7月进入到木星轨道，它将会揭秘关于木星这个太阳系最大行星的令人激动的最新消息。