have a grasp of

When I took on this project, they put me through a two-week crash course," he continues. "I learned that quite quickly because I obviously have a grasp of the language.

Ingman said the terms are scarier to adults than to children because kids don’t have a grasp of their meaning yet.

“You’re talking about 500 people whose lives have been plundered, and that’s one thing many people don’t have a grasp of.”

“I’m not sure even the authorities have a grasp of how popular a certain view really is.”

“They don’t have a grasp of how things actually work,” said Lisa Brown, the county clerk for Oakland County in the Detroit suburbs.