Translation guide
Expressing that something happens infrequently or is uncommon. Japanese uses various adjectives, adverbs, and set phrases depending on whether you're describing an event, a situation, or a statistical rarity.
To say that an event, situation, or thing is not common or happens only occasionally.
The most common and versatile adjective for 'rare' or 'uncommon'. Can be used for events, objects, or situations.
It's rare for snow to fall this early.
It's rare for him to be late.
A slightly more formal or literary adjective meaning 'rare'. Often used in written language or formal speech.
Earthquakes are extremely rare in this region.
A common phrase meaning 'hardly ever' or 'rarely'. Used with verbs in the negative form to indicate infrequency.
He rarely gets angry.
An opportunity like this is rare.
To describe the frequency of an event as low, using adverbs or adverbial phrases.
A casual adverb meaning 'occasionally' or 'once in a while'. Very common in everyday speech.
I go to the movies occasionally.
Means 'sometimes'. Slightly more frequent than たまに, but still indicates irregular occurrence.
Means 'very rarely' or 'once in a blue moon'. Emphasizes extreme rarity.
Very rarely, one may spot this bird.
To talk about a rare occurrence as a thing or concept, often in formal or technical contexts.
珍しい is the most common and neutral way to say 'rare'. 稀 is more formal and often used in writing. 滅多にない is a phrase meaning 'hardly ever' and is used with negative verbs to describe infrequent actions.
This flower is rare.
This flower is rare. (formal)
This flower is rarely seen.
Directly translating 'rare occurrence' as 珍しい出来事 is grammatically correct but often sounds unnatural in Japanese. Instead, use 珍しいこと or rephrase the sentence to use an adjective or adverb.
That's a rare thing.
A rare occurrence like this is worth documenting.
Using 珍しい出来事 is acceptable in formal contexts.
時々、昔のことを思い出す。
Sometimes I remember the old days.