together (of two people); both (of you, them, etc.)
Used when two people do something together or share a state. Often implies joint action or mutual involvement.
We were both thinking the same thing.
The two of them laughed loudly together.
Standard kanji spelling for the phrase.
Variant using numeral 2; common in casual writing.
Phrase composed of 二人 (two people) + して (classical form of する, here functioning as a particle-like element indicating manner or state).