相关单词同義詞accidentally, precipitously, 近義詞 suddenly 突然地, headlong 頭曏前的, out of the blue 出乎意料地, all of a sudden 突然, surprisingly 驚人地, all at once 同時, circumstantially 因情形地, by chance 偶然, accidentally 偶然地臨近詞unexpected, unexpected state, unexpected crime, unexpected error, unexpected event, unexpected events, unexpected symbol, unexpected defeat, unexpected attack, unexpected errors, unexpected result 返回 unexpectedly