weaknessn.
英 'wiːknɪs | 美 'wiknəs
中文n. 弱点；软弱；嗜好
词根词源
weakness (n.)c. 1300, "quality of being weak," from weak + -ness. Meaning "a disadvantage, vulnerability" is from 1590s. That of "self-indulgent fondness" is from 1712; meaning "thing for which one has an indulgent fondness" is from 1822.
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