Translation guide
The English word "trio" refers to a group of three people or things, often with a sense of unity or collaboration. In Japanese, the most common and natural way to express this is with the counter 三人 (sannin) for people, or by using words like 三つ組 (mitsugumi) for objects. The choice depends on what is being counted and the context.
Referring to three people together, such as friends, performers, or a team.
The standard way to say 'three people'. It can be used in almost any context.
They are a trio.
The three of us went to see a movie.
Literally 'group of three people'. Emphasizes the group aspect, often used for close-knit trios or teams.
Loanword from English, commonly used for musical groups or entertainment trios. Can sound slightly more specific than 三人.
Referring to three objects, items, or abstract entities grouped together.
General term for a set of three items. Can be used for objects, concepts, etc.
This trio of plates is a matching set.
Pattern: 'three [things]'. Use the counter つ for general objects, followed by the noun. More descriptive than a single word.
I gave a trio of reasons.
Literally 'three-point set'. Often used for commercial products or coordinated items.
This trio set is a great deal.
Specifically a group of three musicians, singers, or performers.
三人 (sannin) is the general counter for three people and can be used in any situation. トリオ (torio) is a loanword that often implies a formal or performance-based group, like musicians or comedians. For everyday groups of three friends, 三人 is more natural.
The three of us had lunch.
That trio is popular.
In English, 'trio' can sound slightly formal or specific. In Japanese, it's often more natural to simply state the number and the noun, e.g., 三人 (three people) or 三つ (three things), rather than using a word that explicitly means 'trio'.
We formed a trio for the project.
The trio of colors looks great together.
Often better to use 三色 (three colors) rather than a direct 'trio' word.
That trio is always together.
I listened to a jazz trio perform.
We are practicing a string trio.
The trio's harmony is beautiful.