來
歷
不
明
來
歷
不
明
Definitions4 characters(idiom) unknown ; dubious background
Usage•••frequent
Pronunciations
來
歷
不
明
As word
1(idiom) of unknown origin; of dubious background
2(idiom) of unknown origin; of dubious background
3(idiom) of unknown origin; of dubious background
4(idiom) of unknown origin; of dubious background
