深谙

shēn ān shì gù què bù shì gu cái shì zuì shàn liáng de chéng shú

深谙世故却不世故，才是最善良的成熟。

Capable of sophisticated but not worldly, is the most kind mature.

zhèng zhì jiā shēn ān yǔ yán de lì liàng

政治家深谙语言的力量。

Politicians know about the power of language.