降调

falling intonation (linguistics) / to lower the key of a tune / to demote

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

to drop / to fall / to come down / to descend

to surrender / to capitulate / to subdue / to tame