depressed; despondent; gloomy

or; could it be that...?

clinical depression

to restrain; to restrict; to keep down; or

(literary) moreover; in addition

to repress; gloomy

modulation (rising and falling pitch); intonation; a cadence; to rise and fall (of a body floating in water)

to supress; to restrain

chalone (protein inhibiting cell proliferation)

suppressant; inhibitor

iambic

inhibition

see 頓挫抑揚|顿挫抑扬[dun4 cuo4 yi4 yang2]

in a state of depression (idiom)