究竟什么可称作进攻性武器仍然难以界定。
Exactly what can be called an offensive weapon is still a grey area.
什么“单元”是由这个测试界定，并对之进行测试的？
很难界定美国人是什么样的人。
我问他为什么不能界定哪些是富人。
你得借由你不是的东西来界定你自己是什么。
It is by that which you are not that you yourself are defined.
很难准确界定生活质量是由什么构成的。
It is hard to define precisely what constitutes quality of life.
他们还表示，现在很难界定什么是种族性或文化性冒犯。
They also said it was too difficult to define what was racially or culturally offensive.
这是很难界定什么是历史。
什么是地震风险，它如何界定？
我们界定一位艺术家是好艺术家的标准是什么？
首先，您必须界定你需要从完美先生得到什么。
对于什么是“可以分享的”什么不可以，要有清楚的界定。
Have clear boundaries about what is "shareable" and what is not.
什么是公共政策，概念界定上众说纷纭。
Then what is the Public Policy, the definition of its concept has many opinions.
什么是公共政策，概念界定上众说纷纭。
Then what is the Public Policy, the definition of its concept has many opinions.
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