Translation guide
In Japanese, referring to the 'other party' depends heavily on context: the other person in a conversation, the opposing side in a contract or dispute, or a counterpart in a transaction. The most common and neutral term is 相手 (aite).
Referring to the person you are talking to, interacting with, or the other participant in a two-person situation.
The most common and versatile word for 'the other person/party' in a wide range of contexts: conversation partner, opponent in a game, dance partner, etc.
相手の話をよく聞きなさい。
Listen carefully to what the other person is saying.
テニスの相手を探しています。
I'm looking for a tennis partner.
Formal term for 'the other party' in business or official contexts, often meaning 'them' or 'the other side'.
先方からの返事を待っています。
We are waiting for a reply from the other party.
Specifically a conversation partner or someone to talk to.
話し相手がいなくて寂しい。
I'm lonely without anyone to talk to.
Referring to the other party in a conflict, lawsuit, or formal disagreement.
Formal term for the opposing party, especially in legal or contractual contexts.
相手方の弁護士と話し合います。
We will discuss with the opposing party's lawyer.
Also used in business disputes or negotiations to refer to the other company or party.
Literally 'enemy side', used in adversarial contexts like war or intense competition.
Referring to the other party in a business deal, agreement, or exchange.
Specifically the other party in a contract.
契約相手の信用を確認する。
Check the creditworthiness of the contracting party.
Business counterpart, client, or supplier; the other party in a business relationship.
新しい取引先を開拓する。
Develop new business partners.
The other party's company or organization; often used in logistics or correspondence.
相手 is the general term for 'the other person/party' in everyday situations, while 先方 is more formal and often used in business to refer to the other company or their representatives. 相手 can be used in almost any context, but 先方 implies a certain distance and formality.
相手は誰ですか？
Who is the other person? (casual/general)
先方のご意向をお聞きください。
Please ask the other party's intentions. (formal/business)
English 'other party' can sound overly legal or formal. In Japanese, using 相手 is natural in most cases. Overusing 先方 or 相手方 in casual conversation may sound stiff. Choose based on context.
先方の要求は受け入れられません。
We cannot accept the other party's demands.
Scout the movements of the enemy side.
相手先の住所を確認してください。
Please confirm the address of the other party.