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to have a chat with; to exchange words or promises; to promise; to get engaged
彼らは将来について言い交わした。
They exchanged words about their future.
彼とは将来について色々と言交した。
I exchanged words with him about the future.
友人と楽しく言い交わす時間を過ごした。
I spent time having a pleasant chat with my friend.