深谙

Traditional form:

深諳

Pinyin (reading):

shēn'ān

Definitions:

• to know (sth) very well
• to be an expert in

Characters:

• 深 - deep, profound; depth
• 谙 - well-versed in, fully acquainted with

Traditional characters:

• 深 - deep, profound; depth
• 諳 - well-versed in, fully acquainted with