...something I almost intentionally omitted because I am ashamed. (Para.7)
intentionally: ad. on purpose, not by chance
She visited the country intentionally as it is very well known for its summer beauty. 众所周知这个国家夏天很美，她是特地去的。
intention: n. what someone intends or means to do; a plan or purpose
If I hurt your feelings, it was without intention. 如果我伤害了你的感情，那不是有意的。
I went to New York with the intention of seeing my brother. 我去纽约为的是看望我兄弟。
omit: vt. not include something
The news article omitted some important details. 这篇新闻报道有意删除了一些重要的细节。
The omitted information was an attack on the government. 删除的部分就是抨击政府的内容。
When you rewrite the paper I advise you to omit the last sentences.在你重写这篇文章时，我建议你删去最后的一些句子。