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来历不明
来历不明
來歷不明
lái
lì
bù
míng
ㄌㄞˊ ㄌㄧˋ ㄅㄨˋ ㄇㄧㄥˊ
Idiom
⇄ compare
1
(idiom) of unknown origin; of dubious background
Characters
来
历
不
明