textual: bitter and sweet, metaphorically: good and bad, pleasant and unpleasant, good and evil

saying bitter things, unpleasant talk, bad voice

to make one's life miserable

be embittered, living a bitter life, (of life) to be hurt, or resentful because of one's bad experiences or a sense of unjust treatment, having problems in life

be embittered, living a bitter life, (of life) to be hurt, or resentful because of one's bad experiences or a sense of unjust treatment, having problems in life

having a bitter taste, Metaphorically: wine

one who hates worldly pleasures, cynic

unpalatable truth

bitter or acrid voiced, the one who is does unpleasant talk, the one who has bad voice

bitter speech

surliness

rude, abusive, insulting

ill-tempered, surly

darnel, any of several grasses growing as weeds among cereal crops

to make one's life miserable

the person whose life went through bad times

bitter reply, flat refusal

to become disenchanted with life

becoming disenchanted with life

have a bad time lead a miserable life

bitter talker

Ungrateful.

acrid

mustard oil

sour and bitter

embitter

to be bitter, to be unpalatable, to be embittered

ingrate, an ungrateful person

strict rhetoric, bad language, indecent remarks, indecent talk

pungent remarks

bitterness, frustration

distasteful, bitter in palate