lower oneself to some level

lower (oneself) to (some level)

To demean or degrade oneself by stooping to some ungracious, unkind, or spiteful behavior. I'm proud of your for not lowering yourself to that horrid woman's level—best not to even dignify her insults with a response. With ad revenue become scarcer and scarcer, an alarming number of credible online news outlets have been lowering themselves to the same level as gossip magazines and trashy clickbait websites in order to attracts viewers.
See also: lower
Farlex Dictionary of Idioms.

lower oneself to some level

Fig. to bring oneself down to some lower level of behavior. I refuse to lower myself to your level. Has TV news lowered itself to the level of the tabloids?
See also: level, lower
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • lower (oneself) to (some level)
  • lower yourself
  • lower (oneself)
  • for (one's) (own) sake
  • for sake
  • put yourself on the line
  • put (oneself) on the line
  • put neck on the line
  • put your neck on the line
  • put (one's) neck on the line