According to the documents provided, it was impossible to determine if the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake. The documents did not explicitly mention whether the Qing Emperor knew this secret. Therefore, he could not give a definite answer.
Whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake was not clearly answered in the information provided.
Did the Qing Emperor know the secret that Ye Qingmei was hiding at the bottom of the lake? According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
The current search results did not provide a clear answer as to whether the Qing Emperor knew the secret that Ye Qingmei was hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake. Thus, it was impossible to determine if the Qing Emperor knew Ye Qingmei's secret.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, there was no clear mention of whether the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake.
According to the documents provided, it was impossible to determine if the Qing Emperor knew the secret of Ye Qingmei hiding at the bottom of the lake. The documents did not explicitly mention whether the Qing Emperor knew about the existence of the Forbidden Door or its specific content. Thus, it was impossible to determine if the Qing Emperor knew the secret of Ye Qingmei at the bottom of Taiping Courtyard's lake.