掌握 (zhǎng wò): à saisir (souvent fig.)

In order to master the operation of the new software, she spends an hour every evening watching tutorial videos and practicing along.

After three months of hard training, he finally mastered the basic techniques of freestyle swimming and can now swim 500 meters continuously.

As a manager, one must grasp how to reasonably allocate tasks and motivate the team; otherwise, it is difficult to improve work efficiency.

In the process of learning Chinese, mastering correct tones is more important than memorizing many vocabulary words, because if the tones are wrong, the meaning changes.