俺たち

1. Origins, structure, and basic meaning

• Structure: 俺たち, read おれたち, adds the group suffix たち to 俺, a way of referring to oneself.
• Basic usage: It refers to the speaker’s group when recalling time with friends or expressing a team’s determination.
  • 俺たちは放課後によく川辺で遊んだ。

2. Common pitfalls and similar expressions

• A familiar, rough tone
  • 俺たち is an informal expression used mainly by men among people they know well and can sound forceful or rough. 私たち is easier to use in formal settings.