unpleasantnessn.
英 ʌn'plezntnəs | 美 ʌn'plɛzntnəs
中文n. 不愉快；不愉快的事，煞风景的事
词根词源
unpleasantness (n.)1540s, "state or quality of being unpleasant," from unpleasant + -ness. By 1835 as "a slight quarrel, a minor misunderstanding." The late unpleasantness as a humorously polite Southern description of the American Civil War is attested from 1868.
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