我行我素的英文：
[Literal Meaning]
I/act/I/as usual
I shall do as I usually do.

[解释]
行：做；素：平常。不管人家怎样说，仍旧根据自己平常的习惯去做。

[Explanation]
to stick to one's old way of doing things, no matter what others say or think

[例子]
虽然一再受到上级的警告，可是他依然我行我素。

[Example]
In spite of receiving warning from his supervisor, he still do as he usually do.

[英文等价词]
law unto oneself
through good and evil repute

"The dogs Bark, But the caravan goes on"
我行我素,岂管他哉

She went her own way with unconcern for consequences.
她不顾后果，一味我行我素。

He clings to his routine.
他坚持我行我素。

She had a fiery temper and liked to get her own way.
她脾气火爆，喜欢我行我素。

I have my will and don't let others interfere.
"我一向我行我素,不喜欢让别人干涉。"

After a very proper upbringing he chose to lead the Bohemian life of an artist.
他受过正统的教育,却立意过着艺术家我行我素的生活.

"I satisfy myself" was his private law, but so to do he must assuage and control the prejudices of other men
“我行我素”是他个人的信条，但是要这样办，他就必须要缓和和控制别人的成见。

This lady moved through the world quite regardless of all the comments that were made in her praise or disfavour
这位太太却我行我素，全然不理会人们的议论，不论就是称赞还是贬责。