这些复杂的公式是一般小学生不能理解的。

　　These complex formulae are beyond the grasp of the average pupil.

　　他们给这个舞蹈增加了许多复杂的舞步。

　　They added a lot of fancy footwork to the dance.

　　交谈进入到爱妒交织的.复杂话题。

　　The conversation got into the murky waters of jealousy and relationships.

　　这家机构把它那复杂累赘的名称改得好记一些了。

　　The organization changed its cumbersome title to something easier to remember.

　　他的评论只是把问题弄得更加复杂。

　　His comments only served to confuse the issue further.

　　任何计算机都无法模拟人脑的复杂功能。

　　No computer can imitate the complex functions of the human brain.

　　形势比他们最初意识到的更为复杂。

　　The situation was more complicated than they had at first realized.