无止境的英文：
know no bounds
know no measure

参考例句：

Experience is a school from which one can never graduate
经验无止境

His curiosity about the cosmos was insatiable.
他对宇宙的好奇心是无止境的。

We are tired of the interminable waiting
这种无止境的干等让我们厌倦。

The livelihood does not cease after the world, the journey seekswithout limits.
日月经天地不停息，征程求索无止境。

Art is an open ended topic, and so is technique.
美术是一个无止境的话题，技术也是。

Endless:Being or seeming to be without an end or a limit; boundless
"无尽的,无边的:无穷尽的或似乎无穷尽的;无止境的."

A: Gosh, for Indonesia, the worst-case scenario is virtually bottomless
答:我看对印尼而言，局势恶化的程度简直是无止境的。

Unending subclassifications of tumors and morphologic grading have generally proved to be a sterile pathologic exercise.
对肿瘤进行无止境的分类和形态学分级证明都是一种毫无效果的病理学活动。

know是什么意思：
v. 知道，了解，懂得；认识，熟悉；认出；体验；见到过，听到过

Learn not and know not
不学无术

Know/not know what is most important and act accordingly
能[不能]按轻重缓急行事

Do you know that lady?
你认识那位夫人吗？

bounds是什么意思：
n. [bound] 的复数形式；界限，跳动
v. [bound] 的第三人称单数形式；跳跃；弹回；邻接

Where are you bound for?
君将何之？

The persons bound by such a contract.
合伙人受此种契约限制的人

Keep it within bounds.
请把它保持在限制范围内。

measure是什么意思：
n. 测量，量度；措施；程度；尺寸
v. 测量；估量，权衡

landscaping measure
景观美化措施

This is a measure of dispersion.
这是量度离差的一个方法。

skewness is a statistical measure of the uniformity of the distribution of a group of measures
偏态是对一组分布均匀性测量的统计度量。