at your command
成語所屬單字command
at your command — 慣用語
1. If you have a skill or resource at your command, you can use it fully and effect
1.慣用語
釋義
掌握在手
If you have a skill or resource at your command, you can use it fully and effectively.
例句
Maya has a wide vocabulary at her command for writing essays.
With all the data at his command, Brian solved the problem quickly.