His extravagant lifestyle has reached truly unparalleled heights.
Tips
history
From Liu Yiqing's 《世说新语·文学》 (Southern Dynasties): discussing philosophical attainment — 'I don't know whether one can really scale the peak (登峰造极).' The phrase moved from abstract cultivation to any field where someone has topped out.
usage
Most commonly positive (mastery of an art/skill). It can also be used sarcastically or negatively for excesses — 无耻登峰造极, 奢侈登峰造极 — when something bad has reached its extreme.
