How to say "man-to-man" in Japanese

• マンツーマンCommon
  nounCovers the one-to-one sense: a single teacher, coach or interviewer dealing with one person, as in private lessons or individual sessions. This is the common word for that meaning.
  マンツーマンで指導しどうして頂いただけたという点てんでも、非常ひじょうに充実じゅうじつした実習じっしゅうになった。↗

  Just getting one-to-one guidance was enough to make it an extremely fulfilling practise session.
• 男同士おとこどうし
  expression, no-adjectiveMeans literally 'between men' or 'among men': men talking or dealing with each other. For the one-to-one sense it is seldom the word you want, and it is the less common choice.

Use 「マンツーマン」 for the one-to-one sense, as in private lessons or individual sessions; use 男同士 only when men are dealing with each other, and note it is the less common choice.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• マンツーマンman-to-man
• 男同士おとこどうしbetween men