来历不明
Traditional form:
來歷不明
Pinyin (reading):
láilìbùmíng
Definitions:
- (idiom) of unknown origin; of dubious background
Characters:
- 来 - to arrive, to come, to return; in the future, later on
- 历 - history; calendar
- 不 - no, not, un-; negative prefix
- 明 - bright, clear; to explain, to understand, to shed light
Traditional characters: