unpleasantness
不愉快的事
Un·pleas·ant a. Not pleasant; not amiable or agreeable; displeasing; offensive. -- Un*pleas*ant*ly, adv. -- Un*pleas*ant*ness, n.
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unpleasantness
n 1: the feeling caused by disagreeable stimuli; one pole of a
continuum of states of feeling [ant: pleasantness]
2: the quality of giving displeasure; "the recent
unpleasantness of the weather" [ant: pleasantness]