ichidan verb, intransitive verb
get used to using; become accustomed to using
Describes becoming familiar and comfortable with a tool, device, software, or method through repeated use.
新しいスマホに使い慣れるまで時間がかかった。
It took time to get used to using the new smartphone.
このソフトは使い慣れるととても便利だ。
Once you get used to using this software, it's very convenient.