相あい手て次し第だいあいてしだいMeanings1noun, na-adjectivedepending on the person; varying by who you're dealing withDescribes a situation where one's attitude, response, or behavior changes based on the other person. Often used in contexts like customer service, negotiation, or personal interactions.彼かれの対たい応おうは相あい手て次し第だいで大おおきく