come without a shadow, leave without a footprint (idiom); to come and leave without a trace
trad. 來去無蹤
Also written 來去無蹤【lái qù wú zōng】
come without a shadow, leave without a footprint (idiom); to come and leave without a trace
trad. 來去無蹤
Also written 來去無蹤【lái qù wú zōng】