unexpectedly
🇺🇸
/ˌʌnɪkˈspektɪdli/
🇬🇧
/ˌʌnɪkˈspektɪdli/
in a surprising way that you did not think would happen
The weather changed unexpectedly, so we had to cancel our picnic.
天氣出乎意料地變化了,所以我們不得不取消野餐。