chisel in

• • [口语] 打扰；干涉；妨碍：

    He won't allow anyone to chisel in on his profits.

    他不允许任何人染指他的利润。

  • 插手，参与；侵入；钻进：

    He became a member only by chiselling in.

    他是硬钻进来当会员的。

  • 欺骗：

    to chisel in on a racket

    参与敲诈