to agree with someone or have the same understanding
誰かと同意すること、または同じ理解を持つこと (dareka to dōi suru koto, mata wa onaji rikai o motsu koto)
"Before getting married, they made sure they were on the same page about their future."
"結婚前に、彼らは自分たちの未来について同じページにいることを確認しました。" (Kekkon mae ni, karera wa jibun-tachi no mirai ni tsuite **onaji pēji ni iru** koto o kakunin shimashita.)
to disagree or be in conflict with someone or something
A true friend is the most valuable gift one can have
Spending more money than one can afford.
expression of sympathy for someone’s misfortune
to say something without thinking carefully or checking
to gradually enter a state or start wearing something