en passant
/ɒŋpɑːˈsɒŋ/adverb
1- by the way; incidentally顺便地, 附带地：
the singular distinction of being mentioned, en passant, in an Act of Parliament.
在议会的一个法案中被顺便提及的殊荣。
1.1
- Chess by the en passant rule【棋】按吃过路兵规则。
短语
en passant rule（或 law）
- Chess the rule that a pawn making a first move of two squares instead of one may nevertheless be immediately captured by an opposing pawn on the fifth rank【棋】吃过路兵规则。
词源
early 17th cent.: French, literally 'in passing'.