木きに竹たけを接つぐ

expression, godan verb (-gu)

to sew a fox's skin to the lion's; to mix incompatible things

Idiomatic expression meaning to combine things that do not go together, like grafting bamboo onto a tree. Often used to criticize an incongruous or forced combination.

• 彼かれの提てい案あんは木きに竹たけを接つぐようなものだ。

  His proposal is like grafting bamboo onto a tree—it just doesn't fit together.