潜心 (qián xīn): Concentrate on (Verb) — Meaning & Stroke Order

He is dedicated to learning Chinese.

He did not concentrate on his work; instead, he was often distracted by trivial matters.

This scientist concentrated on experiments for many years and finally made a breakthrough.

To complete this novel, the writer devoted himself to writing for three years and finally achieved success.

If you want to master this craft, you must concentrate on learning from the master.