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主句This is something.
分句-1Something has happened.(主语从句,连接词: WHAT)
分句-2People cannot confess fully to their dreams, as easily and openly.(表语从句,连接词: THAT)
分句-3Once they could confess fully to their dreams, easily and openly. (状语从句,连接词: AS)
分句-4They be thought pushing, acquisitive and vulgar.(状语从句,连接词: LEST)
句子成分
主句This [主语] is [系动词] something. [表语]
分句-1Something [主语] has happened. [谓语]
分句-2People [主语] cannot confess [谓语] fully [状语] to [谓语] their dreams, [宾语] as easily and openly. [状语]
分句-3Once [状语] they [主语] could confess [谓语] fully [状语] to [谓语] their dreams, [宾语] easily and openly. [状语]
分句-4They [主语] be thought [谓语] pushing, acquisitive and vulgar. [主语补足语]

翻译：现在的情况是人们不能像以前那样轻易地、公开地承认自己的所有梦想，惟恐别人认为自己莽撞、贪婪和庸俗。