He is stubborn. = He is not tame.
The knife is blunt. = The knife is not sharp.
This is expensive. = This is not cheap.
She is talkative. = She is never quiet.
三、换用迂回表达
当一个词或某些信息表达起来有困难时，要充分利用语言本身词汇丰富、句型多变等特点，进行迂回表达。因为任何一种表达形式，只要能达意便可接受。英语当中多功能解释性语句，就可以起到这一作用。请看下面的句子：
例：1. 我从未见到过这样顽固的人。
I've never seen such a stubborn person.=I've never seen such a person who never listens to other's advice.
2. 如果我们想得到文凭医学全在线www.med126.com，我们必须首先通过考试。
If we want to obtain a diploma，we must first pass the exams.=If we want to get a graduation paper，we must first pass the exams.
3. 工厂里的烟囱(chimney)拔地而起。
High chimneys have appeared in the factories.=The factories are full of high chimneys.=A lot of high chimneys can be seen in the factories.
4. 他数学考试取得优异成绩，被大学录取了。
He passed the maths exam /succeeded in the maths exam and became a college student.
5. 中午我们吃了野餐。
At noon we had a picnic.=At noon we had our lunch in the open air.
