No, that doesn't sound natural at all.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
teacherJapanYou guys don't use the phrase "deepen oneself" at all?I've never heard it. "improve yourself" is possible, but it doesn't have the meaning you want, as far as I can tell. I can't even think what word to use there.