Translation guide
The English word "somehow" is used to express that something happens or is achieved in a way that is not fully understood, or to convey a vague sense or impression. Japanese has several expressions that map to these uses, depending on whether you mean "by some means," "for some reason," or "in a way."
I somehow managed to finish it.
Somehow I feel tired.
Expressing that something was accomplished or will be accomplished in a way that is not clear, often implying effort or luck.
The most common and natural way to say 'somehow' when you manage to do something, often with effort. Implies a positive outcome despite obstacles.
I somehow caught the train.
Very similar to どうにか, but often implies 'barely' or 'by the skin of one's teeth.' Used when you manage to do something with great difficulty.
Often used when you figure out a way to do something, or when something seems to have happened through unclear means. Can also mean 'apparently' in other contexts.
Expressing that something is the case for a reason you don't understand or can't explain.
Literally 'why (I don't know),' this is the most direct way to say 'for some reason' or 'somehow' when you can't explain the cause.
Used to soften a statement or indicate that something is true in a certain sense, but not entirely.
Literally 'in a sense,' this is the most natural way to say 'in a way' or 'somehow' when qualifying a statement.
Both mean 'somehow' in the sense of managing to do something. どうにか is more neutral, while なんとか emphasizes that it was a close call or required great effort. In many cases they are interchangeable, but なんとか sounds more desperate.
I somehow made it in time.
We have to somehow solve this problem.
なんとか試験に合格した。
I somehow passed the exam.
I somehow made it this far.
どうやらうまくいったようだ。
It seems to have worked out somehow.
Emphatic version of どうにか, meaning 'somehow or other.' Conveys a sense of struggling but eventually succeeding.
Somehow or other, the move is finished.
Somehow I'm really tired today.
Somehow I can't stop thinking about him.
Means 'somehow' in the sense of a vague feeling or impression. Often used when you have a hunch or an inexplicable emotion.
I somehow felt sad.
Don't you think it's somehow strange?
Used to express a vague sense that something is the case, often with a negative or uncertain nuance. Can also mean 'somehow' when you can't quite put your finger on it.
Somehow I'm not feeling well.
Somehow I can't believe what he's saying.
Means 'without particular reason' or 'just because.' Used when you do or feel something on a whim or vague intuition.
I somehow ended up going outside.
Somehow I can't bring myself to like him.
In a way, that's correct.
He's somehow a genius.
Means 'if I had to say' or 'somehow,' used when expressing a preference or tendency in a roundabout way.
Somehow I prefer cats.
I barely made it in time.
なぜか is used for an unexplained reason behind a fact or situation. なんだか is used for a vague feeling or impression. なぜか is more objective, なんだか is more subjective.
For some reason he didn't come.
I somehow have a feeling he won't come.
どうにか is only for achieving something through effort. If you mean 'I feel somehow sad,' use なんだか or なぜか, not どうにか.