infelicityn.
英 ɪnfɪ'lɪsɪtɪ | 美 ,ɪnfə'lɪsəti
中文n. 不幸；不适当；不吉利（复数infelicities）
词根词源
infelicity (n.)late 14c., from Latin infelicitas "ill luck, misfortune," from infelix (genitive infelicis) "unfruitful, barren; unfortunate, unhappy, causing misfortune, unlucky," from in- "not, opposite of" (see in- (1)) + felix (see felicity).
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