我真的弄不懂他那些乱七八糟的想法。用英语怎么说？

我真的弄不懂他那些乱七八糟的想法。

I really cannot understand his amorphous ideas.

really

adv. 真，真正，实在，果真，实际上，事实上；

例句
It's not really suited to absolute beginners...
它并不真正适合从零开始的初学者。

cannot

=can not，未可，不能，不可；

例句
...parents who feel they cannot cope or might abuse their children.
认为自己应付不来或可能会虐待孩子的父母

understand

vt.& vi. 懂，理解；vt. 了解，默认，听说，领会；

例句
Another accusation levelled at the Minister is that he does not understand ordinary people...
另一个矛头则直指部长不懂得体恤百姓。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

amorphous

adj. 无组织的，模糊的，无固定形状的，非结晶的；

例句
A dark, strangely amorphous shadow filled the room.
一团形状怪异的黑影笼罩了整个房间。

ideas

总念；

例句
An important set of ideas have been advanced by the biologist Rupert Sheldrake.
生物学家鲁珀特·谢尔德雷克已提出了一整套重要的观点。