低調

low pitch / quiet (voice) / subdued / low-key / low-profile

low / beneath / to lower (one's head) / to let droop / to hang down / to incline

to transfer / to move (troops or cadres) / to investigate / to enquire into / accent / view / argument / key (in music) / mode (music) / tune / tone / melody

to harmonize / to reconcile / to blend / to suit well / to adjust / to regulate / to season (food) / to provoke / to incite