Correct

精于

/ jīngyú /
Strokes

Definition

skillful in/proficient in/adept at

Example

As a Verb

be proficient in; be good at; be keen on

1
Jīng
精于
zuānyíng
钻营

be good at pursuing personal gains

2
Jīng
精于
dào

be skilled in this field

Related

业精于勤