"自学"这个词的英文怎么说

self taught
例子：我的日语是自学的。My Japanese is self taught.

teach oneself
例子：我自学日语三年了。I have taught myself Japanese for three years.

private study
自学
be one's own teacher
自学
self-teaching package
自学教材
resources-based learning
利用资料自学
directed private study
有指导的自学
self-taught book(s)
自修用参考书, 自学课本

self study
这是地道说法
美国的自习课就这么说

study on one's own; study independently; teach oneself;study by oneself 这几种都可以