merely be so; just let it go like that/“未能免俗，～”。(《晋书·阮咸传》) “I cannot rid myself of vulgarity.Just let it be so.”
聊复尔耳liao fu er er
for the sake of formality only
聊复尔耳liáo fù ěr ěr
尔：如此，这样；耳：罢了。姑且这样罢了。although it is unsatisfactory and unneccessary, merely be so