一语道破

yī yǔ dào pò qí zhōng ào mì

一语道破其中奥秘

lay bare the secret of something with one remark

qí miào de shì wǎng wǎng yào jīng guò hǎo zhǎng yī duàn shí jiān cái néng yī yǔ dào pò shì shí

奇妙的是，往往要经过好长一段时间才能一语道破事实。

It is singular, how long a time often passes before words embody things.