何だかんだで忙しい be busy with this and that

何だかんだといろいろあって,くつろいでいる暇なんか全然ない There are a lot of things going on and there's just no time for distractions.

何だかんだと言って on some pretext or other

何だかんだと言って責任を逃れようとする try not to assume responsibility by making excuses

何だかんだ言っても no matter what someone says 【副】anyway