Correct

沉潜

/ chénqián /
Strokes

Definition

to lurk under water/to immerse oneself in (study etc)/to lie low/to keep a low profile/quiet/reserved/self-possessed

Example

As a Verb

stay/hide under water

1
Chénqián
沉潜
hǎi
海底

stay/submerge at the bottom of the sea

As an Adjective

reserved; self-possessed; withdrawn

2
Chénqián
沉潜
hàoxué
好学

quiet and studious

As a Verb

concentrate one's mind (on sth); put one's energies in (work, study, etc); be devoted (to sth)

3
Chén
qiánzài
潜在
gōngzuò
工作

devote oneself to one's work

4
Chénqián
沉潜
yánjiū
研究

be steeped in research