我行我素

wǒxíng-wǒsù

[persist in one's old wags; live by one's own difinitions; stick to one's old way of doing things; the dogs bark, but the caravan goes on] 无视别人的议论与看法, 还是按照自己平时的一套做法去做

所以这件事, 外头已当作新闻; 他夫妇二人还是毫无闻见, 依旧我行我素。 --《官场现形记》