Translation guide
The English adverb 'unexpectedly' describes something happening in a way that was not anticipated. In Japanese, this concept is expressed through various adverbs and phrases that convey surprise, suddenness, or a deviation from expectations. The choice depends on whether the focus is on the speaker's surprise, the suddenness of the event, or the contrast with what was expected.
Expressing that something happened differently from what was expected or assumed, often with a nuance of surprise.
The most direct equivalent for 'unexpectedly' when something turns out contrary to expectations. Often used when the result is surprising but not necessarily negative.
The exam was unexpectedly easy.
He came back unexpectedly early.
Similar to 意外に, but often implies a more casual or subjective surprise. Commonly used in spoken Japanese.
This job was unexpectedly easy.
Literally 'without having thought', this adverb emphasizes the unexpected nature of an event, often with a positive or neutral connotation.
I unexpectedly ran into an old friend.
Means 'suddenly' or 'unexpectedly', often used when something happens abruptly and catches one off guard. Slightly literary.
It unexpectedly started raining.
Focusing on the abruptness or lack of warning, rather than the contrast with expectations.
The most common word for 'suddenly' or 'unexpectedly' when emphasizing the abruptness of an action or event.
He unexpectedly left the room.
Means 'suddenly' or 'abruptly', often used for changes in state or actions that happen quickly and unexpectedly.
Implies something happening without any prior notice or preparation, often with a nuance of rudeness or surprise.
When something unexpected happens due to chance or coincidence, not necessarily contrary to expectation.
When something happens unexpectedly and it is unwelcome or contrary to one's hopes.
Both mean 'unexpectedly' and are often interchangeable. 意外に is slightly more objective and can be used in formal contexts, while 案外 is more subjective and casual. 案外 often implies that the speaker's personal expectation was overturned.
It was an unexpectedly difficult problem.
I was able to do it unexpectedly easily.
English 'unexpectedly' can sometimes be rendered more naturally with a different structure in Japanese. For example, 'He died unexpectedly' is often expressed as 突然亡くなった (suddenly passed away) rather than using 意外に, which might sound odd for a death.
He died unexpectedly.
I was surprised by the unexpected visit.
It got unexpectedly cold.
いきなり彼が現れた。
He appeared unexpectedly.
たまたま通りかかった。
I happened to pass by unexpectedly.
生憎の雨で試合が中止になった。
The game was canceled due to unexpected rain.