American Idioms - 美國片語-Learn the ropes
Learn the ropes - to learn the basics of something 從基礎學起
例句:
You have to learn the ropes when you start a new job. 當你開始一個新工作時,你要從基礎學起。
You have to learn the ropes first before you can start working on more difficult tasks. 你要先把基礎學好,然後可以做比較困難的工作。