Definition
To establish and begin operating a business or professional practice.
開始經營事業或開業
After many years as an apprentice, she finally decided to hang out her shingle and become an independent lawyer.
在當了多年學徒後，她終於決定掛牌開業，成為一名獨立律師。
Having gained enough experience and capital, he decided to hang out his shingle and open his own accounting firm.
在獲得足夠的經驗和資金後，他決定掛牌開業，開設自己的會計事務所。
With the growing demand for design services, she felt it was the perfect time to hang out her shingle and start a studio.
隨著設計服務的需求增加，她覺得這是掛牌開業、開設工作室的最佳時機。