"know whereof one speaks" in Chinese (Traditional)

• 真正瞭解自己所說的內容

Definition

對所討論的話題有真正的知識或經驗，因此能自信地談論它。

Usage Notes (Chinese (Traditional))

正式且略帶老派色彩，用來強調某人真正懂自己所說的內容，常用於對比缺乏經驗者。多見於學術或正式場合。

Examples

She really knows whereof she speaks when it comes to chemistry.

談到化學，她的確**真正瞭解自己所說的內容**。

Only someone with experience knows whereof he speaks about this job.

只有有經驗的人才**真正瞭解自己所說的內容**。

After living abroad, he knows whereof he speaks about culture shock.

在國外生活過後，他**真正瞭解自己所說的內容**，談到文化衝擊。

Trust me—she knows whereof she speaks when it comes to startups.

相信我，談到新創公司，她**真的知道自己在說什麼**。

It’s clear the author knows whereof he speaks from his detailed analysis.

作者詳細的分析顯示他**真正瞭解自己所說的內容**。

You can tell he knows whereof he speaks just by the way he explains things.

從他解釋事情的方式就能看出他**真正瞭解自己所說的內容**。