unaccountably
adverb /ˌʌnəˈkaʊntəbli/
/ˌʌnəˈkaʊntəbli/
(formal)- in a way that is very difficult to explain; without any obvious reason
synonym inexplicably难以解释地;莫名其妙地;无明显原因地 - He has been unaccountably delayed.
他被莫名其妙地耽误了。 - She felt suddenly and unaccountably cheerful.
她突然感到莫名其妙的快乐。
- He has been unaccountably delayed.