The first saw film as a useful tool for capturing and documenting the inherently indefinable concept of motion.
第一为捕获并且记录运动的内在地难下定义的概念作为一个有用工具看了电影。
Impossible to define, describe, or analyze.
难下定义、描述或分析的
Some words are hard to define.
很难对有些词下定义。
The precise definition of the angular momentum of a body is complicated.
要给物体的角动量下精确的定义是困难的。
The determination of the meaning of a word is often difficult without a context.
脱离上下文来确定一个词的含义常常是困难的。
Some words are hard to define because they have many different uses .
有些词很难下定义，因为它们有许多不同的用法。
Humility is an elusive attribute, which often seems to evade definition.
谦卑是一种非常难以琢磨的品质，人们常常很难给谦卑下一个定义。
all this shows the difficulty of agreeing a definition of mysticism.
这一切都说明对神秘主义下一个大家都接受的定义是困难的。
But in peaceful times it is hard to make a definition about hero.
但在和平时代，就很难对英雄下定义了。
To give a definition of a word is more difficult than to give an illustration of its use.
给一个词下定义要比举例说明它的用法困难得多。
But to define love is very difficult, for the same reason that words cannot fully describe the flavor of an orange.
但要给爱下个定义却很难，就象言语难尽柑橘之味。
While quality is subjective and a definition elusive.
当质量是一个主观的,难懂的定义。
To state the precise meaning of(a word or sense of a word, for example.
给…下定义给（例如，单词或词义）下精确的定义
On "Adam Smith s Knot" from the View of Historical Materialism;
历史唯物主义视域下的“斯密难题”
On the Smith s problem from historical materialism;
历史唯物主义视野下的"斯密难题"
Didn't I memo you as to what constitutes an emergency?
难道我没有让你熟记紧急的定义吗？
Another difficulty stems from the very definition of the ratio.
另一个困难是由比值定义造成的。
To Analyse Resistant Hypertension from the New Definition of Hypertension;
从高血压的新定义分析难治性高血压