(とも)にする

ともにする
expression
to share; to do together
1. to share; to experience together; to partake in together
To share an experience, state, or activity with someone. Often used for sharing both joys and hardships.
苦楽(くらく)(とも)にする。
To share joys and hardships together.
長年(ながねん)行動(こうどう)(とも)にしてきた仲間(なかま)だ。
We are comrades who have acted together for many years.
時間(じかん)(とも)にすることで、お(たが)いの理解(りかい)(ふか)まった。
By spending time together, our mutual understanding deepened.

A somewhat literary and formal expression meaning "to share" or "to do together." The pattern is 〜を(とも)にする.

COMMON OBJECTS:

  • 苦楽(くらく)(とも)にする: to share joys and sorrows
  • 運命(うんめい)(とも)にする: to share a fate
  • 時間(じかん)(とも)にする: to spend time together
  • 食事(しょくじ)(とも)にする: to share a meal
  • 行動(こうどう)(とも)にする: to act together

SIMILAR EXPRESSIONS:

  • 一緒(いっしょ)にする: to do together (more casual, everyday)
  • 共有(きょうゆう)する: to share (more abstract/formal, often for information or resources)

REGISTER:
Formal and slightly literary. Often used in speeches, writing, or when expressing deep bonds.