1. She obtained the documents legally.
她合法地获取了文件。
2. The company acted legally in accordance with the regulations.
公司按照规定合法行事。
3. They were found guilty of operating a business illegally.
他们被判非法经营罪名成立。
4. He wants to know if he can legally adopt his stepson.
他想知道自己是否有合法权利收养继子。