have another string to your bow
成語所屬單字string
have another string to your bow — 慣用語
1. To have an additional skill or option that you can use if your first plan fails.
1.慣用語
釋義
多一項本領；多一條出路
To have an additional skill or option that you can use if your first plan fails.
例句
Dylan is a trained electrician, so if teaching does not work out he has another string to his bow.