get a handle on
了解或掌握某人或某事的关键或要点
口语·表达逐渐理解或掌控
英文释义
to understand or gain control over something
例句
I'm finally getting a handle on this new software after watching a few tutorials.
典故来源
源自用把手（handle）控制物体的动作，比喻掌握事物的关键或控制权。