充实自己的英文：
to enrich oneself; to substantiate oneself

参考例句：

She supports her theory with copious evidence.
她以大量的例证来充实自己的理论.

Everybody has to stock his mind with knowledge.
人人都要用知识充实自己的头脑。

To supplement my practical knowledge, I have taken evening courses about quality checking.
为了充实自己的实践经验,现正在进修质量检验方面的课程。

We should nourish our spirits with high ideas.
我们应该用崇高的理想充实自己的心灵。

enrich是什么意思：
v. 使肥沃；使富裕，使富有；使充实

Enrichment:The act of enriching or the state of being enriched.
丰富:使丰富的行为或被充实被致富的状态.

uniformly enriched core
均匀浓集活性区

To enrich oneself at others expense
损人利己

oneself是什么意思：
pron. 自己；亲自，自行

apologize for oneself
为自已解辩或辩护

pride oneself on
使得意

embroil oneself in
使某人卷入纠纷

substantiate是什么意思：
v. 证实；使具体（实体）化

to hypostatize; to substantiate
使实体化

This is a substantial building.
这是个坚固的建筑物。

The architecture of this house is very substantial.
这座房子的结构很牢固。