1.
mutual, each other, one another
Referring to a reciprocal relationship or action between two or more parties.
お互いに助け合いましょう。
Let's help each other.
お互いに = mutually, each other (polite)
互いの意見を尊重する。
To respect each other's opinions.
お互い様だ。
It's the same for both of us. / We're in the same boat.
Common expression
お互いに連絡を取り合おう。
Let's keep in touch with each other.
夫婦はお互いの気持ちを分かり合うことが大切だ。
It is important for married couples to understand each other's feelings.
COMMON PATTERNS:
- お互いに: Mutually, each other (adverbial)
- 互いの + noun: Each other's (noun)
- お互い様: We're in the same situation (expression)
COMMON COLLOCATIONS:
- お互いに理解する (to understand each other)
- お互いに助け合う (to help each other)
- お互いに尊重する (to respect each other)
NOTE: The prefix お is commonly added for politeness (お互い), though 互い alone is also used.