騙だまし合あう

godan verb (-u)

cheat each other; deceive one another

Describes a mutual act of deception between two or more parties. Often used in contexts like games, negotiations, or relationships where both sides are trying to outwit the other.

• あの二人ふたりはいつも騙だまし合あっている。

  Those two are always trying to cheat each other.

• 政せい治じ家かたちは選せん挙きょのたびに騙だまし合あう。

  Politicians deceive one another every election.