精于

Traditional form:

精於

Pinyin (reading):

jīngyú

Definitions:

• skillful in
• proficient in
• adept at

Characters:

• 精 - essence, germ, spirit
• 于 - at, in, on; to, from; alas!

Traditional characters:

• 精 - essence, germ, spirit
• 於 - at, in, on; to, from; alas!