A few disruptive students can easily ruin a class.

I got so excited that my thoughts are all confused.

我太激动了,所以我的思想一下子给搞乱了.

They likely will become confused as the date rolls over to 2000.

随着2000年日期的临近,这些系统可能会被搞乱.

The story given by the witness has blown the case wide open.

这个证人的陈述把案子全给搞乱了.

Who would assume responsibility if the records got mixed up?

把记录搞乱了谁负责?

Seldon, as he ran, bounded from side to side to baffle and deceive their aim.

塞尔登一会儿跳到这边,一会儿跳到那边跑着, 搞乱和干扰他们的目标.

Don't play the mischief with the cards I have arranged.

别把我理好的牌搞乱了.

No doubt he was just trying to help, but he's spoiled our work.

可能他只是想帮忙, 但却把我们的工作给弄糟了.

He is prejudiced against you, and if you put in your oar, it will spoil everything.

他对你怀有偏见, 如果你插手的话, 会把一切都弄糟的.

I fear things are going wrong.

我怕情况弄糟了.

If he moved, he'd blow upon the things at once.

他只要动一动, 立刻会把事情弄糟.

这是个愚蠢的想法,他已经把事情弄糟了.

Itisasillyideaandhehasbotchedit。

Please don't mix my papers up.

请不要把我的文件弄乱了.

The Peripartum Clinical Course of Umbilical Cord Prolapse with Vertex Presentation

头位脐带脱垂的临床探讨

Results: Among dealing with the dystocia of vertex presentation, the rate of cesarean section tends to increase and the rate of forceps delivery tends to decrease year by year.

结果：在头位难产处理中，剖宫产率呈逐年升高趋势，产钳助产率则呈下降趋势。

We use the negative form of the PRESENT PROGRESSIVE to talk about

我们用现在进行时的否定形式来讨论

We should think of how to put into "present progressive tense" of this Modern Chinese Literature history ourselves.

我们应该思考自己如何投入到这一中国现代文学史的“现在进行时”中去。

By analyzing the pragmatic meaning of personal pronoun, present progressive tense, passive voice and interrogative sentence, the author points out that grammar teaching can be combined with pragmatic knowledge, which will contribute to the improvment of pragmatic competence.

本文通过分析人称代词、现在进行时、被动语态、疑问句的语用含义，指出语法教学完全可以和语用知识相结合，这种语法教学法有助于培养学生的语用能力。

Chinese learners use the present progressive more than the past progressive.

中国学习者使用现在进行体多于过去进行体。

In the PRESENT PROGRESSIVE these questions look like

在现在进行时中这些问句由

Therefore, human capital and economic growth is not necessarily present simple positive correlation, and human capital allocation needs integration by social systems.

由此可见，人力资本与经济增长并不一定呈现简单的正相关关系，人力资本配置需要社会力量系统的整合。