make a good teacher 成为一名优秀的老师。
以下摘自《牛津高阶英汉双解词典》make 词条：
make: [Ln] be or become (sth) through development; turn out to be 演变成（某事物）; 结果是:
If you train hard, you'll make a good footballer. 你要刻苦训练就能成为优秀的足球运动员。
He'll never make an actor. 他决当不成演员。
She would have made an excellent teacher. 她本可以成为杰出的教师.