Tom and Mary often speak to each other in French.

Source: Tatoeba

We didn't recognize each other.

Source: Tatoeba

They tried very hard to gain an advantage over one another.

Source: Tatoeba

Although you can't make it as "the greatest person", you can still be the best person to your partner.

Source: Tatoeba

As I have loved you, love one another.

Source: Tatoeba

They don't know each other very well.

Source: Tatoeba

Tom and I haven't seen each other since we were kids.

Tom and I haven't seen each other since we were children.

Source: Tatoeba