unexpectedly
🇺🇸
/ˌʌnɪkˈspektɪdli/
🇬🇧
/ˌʌnɪkˈspektɪdli/
adverb
R
in a surprising way that you did not think would happen
The weather changed unexpectedly, so we had to cancel our picnic.
天気が予想外に変わったので、私たちはピクニックをキャンセルしなければならなかった。
translation
予期せず