潜心

HSK 7-9

qiánxīn

devote oneself entirely; study; work diligently (often 'quietly')

潜心研究

qiánxīn yánjiū

devote oneself to research

潜心学习

qiánxīn xuéxí

devote oneself to study

他潜心写作

tā qiánxīn xiězuò

he devoted himself to writing