Word: 潜心 (qiánxīn) Traditional: 潛心 潜心 dictionary entry qiánxīn to concentrate fully on sth; single-minded Full dictionary entry for 潜心 Example sentences using 潜心 2 sentences, showing page 1 of 1. 他潜心研究音乐。 Tā qiánxīn yánjiū yīnyuè. He applied himself to the study of music. 他辞职后潜心写小说。 Tā cízhí hòu qiánxīn xiě xiǎoshuō. After quitting his job, he devoted himself to writing a novel.