First he had to define the word.

首先他必须给这个词下个定义。

The dictionary defines the word as " an extended period of instability and insecurity."

该词典将这个词定义为“长时间的不稳定和不安全”。

The Oxford Dictionaries website told readers post-truth could be " one of the defining words of our time."

牛津词典网站告知读者，后真相将成为“反映我们这个时代特点的词汇之一”。

Sign languages have clearly defined words and grammar, and differ from place to place just as spoken ones do.

手语对单词和语法有明确的定义，就像口语一样，不同的地方手语也不同。

Let's start by defining the word " massacre" (massacre).

让我们先从定义“大屠杀”（massacre）这个词开始。

Now we should take a moment to define the word " likable."

现在我们应该花点时间来定义“讨人喜欢” 这个词。

“will clearly define their words in a humorous or interesting way.”

“会以幽默或有趣的方式清楚地定义他们的话。”

Which of the following best defines the word " aggressive" (line 3, paragraph 7)?

以下哪项最好地定义了“攻击性”一词（第 3 行，第 7 段）？

It's almost impossible to define these words without understanding that basic concept.

。 如果不了解该基本概念， 几乎不可能定义这些词。

39.Which of the following best defines the word " aggressive" (line 4, paragraph 7)?

39.下⾯哪⼀项最恰当地解释了第七段第三⾏中“aggressive”⼀词的含义？

It's hard to define the word " nurse." A nurse does a lot of different things.

很难给“护士” 这个词下定义。 护士要做很多不同的事情。

Patiently is being patient, and you know you can't define a word by a word so I had to look it up.

Patiently 就是耐心，你知道你不能用一个词来定义一个词，所以我不得不去查。

Patiently is being patient, and you know you can't  define a word by a word so I had to look it up.

耐心就是耐心，你知道你不能用一个词来定义一个词，所以我不得不查一下。

But what function a certain part of your organ performs, depends on what kind of tissue it's made of. In other words, the type of tissue defines its function.

但是你的器官的某一部分执行什么功能，取决于它是由什么样的组织构成的。换句话说，组织的类型决定了它的功能。

I had better, at the outset, define the word " woman" as I understand and use it, since it is apt to convey two distinct and differing impressions, according to the sex of the hearer.

我最好一开始就按照我的理解和使用来定义“女人”这个词，因为根据听众的性别，它很容易传达出两种截然不同的印象。

Guitar Hero is interesting to me because it shows… not to go off topic early, but how… so, okay, so let me set this up for everybody and define these words, because not everybody's coming from the same place.

《吉他英雄》对我来说很有趣，因为它表明… … 不要过早偏离主题，而是如何… … 所以，好吧，让我为每个人设置这个并定义这些词，因为不是每个人都来自同一个地方。