一いち枚まい噛かむ

expression, godan verb (-mu)

have a hand in; get involved in; participate in

Idiomatic expression implying involvement in a plan, project, or scheme, often with a nuance of being one of several participants or having some influence.

• 彼かれはその新しんプロジェクトに一いち枚まい噛かんでいるらしい。

  He seems to have a hand in that new project.

• あの事じ件けんには彼かれも一いち枚まい噛かんでいた。

  He was also involved in that incident.