Translation guide
The most important part or support of something, often a person or thing that provides stability and continuity.
Describing the most important or reliable part of a system, group, or activity that everything else depends on.
Literally 'central pillar', this is the most common and natural way to refer to a person who is the main support of a family, organization, or group. It carries a strong sense of reliability and indispensability.
He is the mainstay of his family.
Refers to the main force or leading element in a group, team, or industry. Often used for the most productive or powerful part, such as a key player or core product.
Means 'center' or 'core'. It can be used to describe the central part or most important element of something, though it is less personified than 大黒柱.
Literally 'framework of a stall', this metaphorically means the backbone or main support of an organization or business. It is somewhat old-fashioned and often used in economic or business contexts.
Referring to something that is a staple or primary source of sustenance, often food or economic activity.
Specifically means 'staple food'. Use this when talking about the main food that people eat regularly.
She is relied upon by everyone as the mainstay of the company.
この製品が当社の主力商品です。
This product is our mainstay product.
He is the mainstay player of the team.
彼はプロジェクトの中心メンバーだ。
He is a central member of the project.
Small and medium-sized enterprises are the mainstay of the Japanese economy.
Rice is the mainstay of the Japanese diet.
Means 'foundation' or 'base'. It can be used for the economic or social foundation that supports a community or livelihood.
Agriculture is the mainstay of the local economy.