Source : CEDICT

to grasp (often fig.)/to master/to know well/to understand sth well and know how to use it/fluency/to control/to seize (initiative, opportunity, destiny)

Source : CEDICT

to grasp (often fig.)/to master/to know well/to understand sth well and know how to use it/fluency/to control/to seize (initiative, opportunity, destiny)