HSK 7–9 · verb
潜心
to devote oneself to; to concentrate on
他潜心研究这个问题很多年。
Tā qiánxīn yánjiū zhège wèntí hěn duō nián。
He devoted himself to studying this problem for many years.
HSK 7–9 · verb
to devote oneself to; to concentrate on
他潜心研究这个问题很多年。
Tā qiánxīn yánjiū zhège wèntí hěn duō nián。
He devoted himself to studying this problem for many years.