These were the titles under which these lunacies occurred.是什么意思？

These were the titles under which these lunacies occurred.

这些疯疯癫癫的事就是在这些名堂下干出来的.

these

adj. 这些的；pron. 这些；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

titles

n. （书刊的）一种( title的名词复数 )，冠军，（尤指土地或财产的）所有权，权益；

例句
The company already has around four score titles commissioned and planned for publication...
那家公司已有约80本书委托好了作者并计划出版。

under

prep. 在…下面，在表面之下，在…的假定表面或掩饰下，少于，小于，在…情况下；adv. 在下面，少于，在水下，在昏迷中；adj. 较低的，下面的；

例句
...efforts to acquaint the public with their rights under the new law...
为使公众熟悉新法律所赋予的权利而作出的努力

which

pron. 哪一个，哪一些，哪个，那，指前面提到的事物；adj. 哪一个，哪一些；

例句
...the latest date at which a foetus can be aborted.
能够打胎的最迟日期

lunacies

n. 精神失常( lunacy的名词复数 )，极蠢；

例句
These were the titles under which these lunacies occurred.
这些疯疯癫癫的事就是在这些名堂下干出来的.

occurred

v. 发生(occur 的过去分词)；

例句
The deaths occurred when police acted to stop widespread looting and vandalism...
警方采取行动制止猖狂的打砸抢行为时有多人丧生。