Tom and Mary hated one another.
- Tom og Mary hadede hinanden.
They helped one another with their homework.
- De hjalp hinanden med lektierne.
These two brothers resemble each other.
- Disse to brødre ligner hinanden.
Friends help each other. Just let me know what's wrong.
- Venner er der for hinanden. Fortæl mig bare hvad der er galt.