Correct
博而不精
/ bó ér bù jīng /
Strokes
Definition
extensive but not refined (idiom); to know something about everything/jack-of-all-trades, master of none
Example
Definition
know something about everything; have extensive but superficial knowledge
1
Tā
他
de
的
zhīshi
知识
bó
博
ér
而
bù
不
jīng
精
。
His knowledge is an inch deep and a mile wide. / He is extensively but sketchily informed. / He is a Jack of all trades and master of none.