●通常的表达是：

learn sth from sb 向某人学习某事物

study sth under sb 在某人的指导下学习某事物

●例句：

1. learn sth from sb

He learned carpentry from his father. 他是从父亲那儿学的木匠手艺。

She learned embroidery from her grandmother. 她从祖母那儿学会了刺绣。

You were lucky to learn English from such a good teacher. 你的运气好，跟这样一位好老师学英语。

2. study sth under sb

She studied painting under masters. 她在名家的指导下学画。

Susan is studying English under a tutor. 苏珊在家庭教师辅导下学习英语。