to do something for someone in exchange for a favor or help later
後で助けや好意と引き換えに誰かのために何かをすること (ato de tasuke ya koi to hikikae ni dareka no tame ni nanika o suru koto)
"We agreed to scratch each other's backs in this business deal."
"私たちはこのビジネス取引でお互いの背中をかくことに同意しました。" (Watashitachi wa kono bijinesu torihiki de otagai no senaka o kaku koto ni doui shimashita)
expression of sympathy for someone’s misfortune
to prepare for all possible situations
A person’s actions or behavior make them worse than an enemy...
to remove something, especially a layer, from a surface
to refuse to change your position or opinion
to have control or an advantage over someone
