掌握
zhǎngwò
to master, to grasp
verb
Example
经过三年的练习，他终于掌握了这门技术。
Jīngguò sān nián de liànxí, tā zhōngyú zhǎngwò le zhè mén jìshù.
After three years of practice, he finally mastered this skill.
This word is commonly used when talking about acquiring skills, knowledge, or techniques. It implies a deeper level of understanding than just learning (学习).