noun
one-on-one; man-to-man
Used for direct, personal interaction between two people, such as teaching, coaching, or a private conversation.
英会話をマンツーマンで教えてもらっている。
I'm receiving one-on-one English conversation lessons.
上司とマンツーマンで話す機会があった。
I had a chance to talk one-on-one with my boss.