leave a stain
汚点を残す
leave a strong impression on ...
…に強烈な印象を残す
leave a trail of blood
血の跡を点々と残す
leave a trail of devastation [destruction]
破壊のつめ跡を残す
leave all to chance
すべてを運に任せる
leave an impression of one's foot
足跡を残す
leave an imprint on ...
…に跡を残す
Leave at ten, (and) not before.
１０時に出発しなさい，それ以前はだめだ
leave early (in order) to catch the train
列車に間に合うよう早く出る（◆目的）
leave everything to luck
すべてを運に任せる
