今天，咱们进入英语四级重点语法词汇讲解，希望对大家的学习有所帮助。
die的搭配
die这词表示的含义是“死亡”
与介词的搭配非常丰富
常见的有die out、die off、die 顿down、die away
下面来具体了解下它们之间的区别
1.die out 表示的含义是“灭绝”，强调的是“完全的灭亡”。
实例
No one have come up with a convincing explanation of why dinosaur die out.
尚未有人能对恐龙的灭绝作出一个令人信服的解释。
Silence，silence！Either broke out from the silence or die out of it.
沉默啊，沉默啊！不在沉默中爆发，就在沉默中灭亡。
English is making many lesser known languages die out each year. To what extent do you think the advantages out weigh the disadvantages？
英语使得每年都有许多不被熟知的语音消失。在何种程度上，你认为利大于弊？
2.die off表示“相继死亡”，强调“种群突然急剧的衰减，但未全部灭绝”。
实例
Alternately H5N1 may subside naturally as infected animals die off， or it may mutate to a less aggressive form.
另一方面，随着染病动物相继死亡，H5N1型病毒会自然消亡，但它也可能会变异成为传播速度较慢的一种形式。
Keep the communication going – don’t let it die off. Once you’ve built a connection with someone，don’t let it fall apart because you’re too busy.It only takes a few minutes every once in a while to keep a relationship healthy，so take the time to do it.
一旦你建立了与某人的联系，别让它只因为你很忙就慢慢中断。你只要偶尔花上几分钟就能让你们之间的关系保持健康，别吝啬那点时间。
3.die down表示“渐弱，消退”，强调“力量的消退”。

实例
This is not good weather to climb in，so the climbers are just waiting，hoping that the wind is going to die down.
这种天气并不利于登山，所以这些登山者们只是等候者，期盼寒风可以减缓。
Many start-up business behave like meteorites shining bright for a split second and then die down in the next moment.
许多新企业正如那些瞬间即逝的陨星。
4.die away强调“声音渐息，渐弱”
实例
The thunder died away and quietness reigned once more.
雷声过后，又恢复了寂静。
She heard the patter of Prissy’s feet as she broke into a trot，and then the sound died away on the soft earth.
她听见百利子的步声变成了小跑，随即在那柔软的泥路上渐渐消失了。