Correct

怀才不露

/ huái cái bù lù / 
Strokes

Example

Definition

shelter/sheathe one's talent; be modest about one's talent

1
Zhēncáishíxué
真才实学
de
的
xuézhě
学者
wǎngwǎng
往往
dōu
都
huái
怀
cái
才
bù
不
lù
露
  
。

Really learned scholars tend to sheathe their knowledge.