without leaving any trace 意味

• without leaving any trace
  跡形も無く
  あとかたもなく
  

例文

1. can open without leaving any trace .
   あれ? あれ? あれ? いない。 あれ? 飛鳥。
2. yasuo miyaoi of katori county (shimousa province ), one of atsutane ' s leading disciples , had been enthusiastic about mysterious things; he heard about yukiyasu and went all the way to wakayama to meet him on 26th january 1855 , however , yukiyasu had already disappeared without leaving any trace .
   また三度の飯よりも神秘好きな房総の宮負定雄も安政元年12月9日に香取郡から和歌山の島田の元へ訪れているが、既に幸安は消息を絶っていた。