get the hang of

例句：

1. 1. I've been trying to get the hang of this new software program for weeks now.
   我尝试了几周来掌握这个新的软件程序。
2. 2. She got the hang of playing the piano in no time.
   她很快就学会了弹钢琴。
3. 3. He was struggling to get the hang of the new operating system.
   他努力想要掌握新的操作系统。