미리 생각하거나 예측하지 못한 상태에서 갑자기 일어나는.
Not anticipated or foreseen; occurring without prior notice or expectation.
예문:
"The sudden rainstorm was an unexpected interruption to our outdoor wedding ceremony."
"Finding a rare coin in the old jar was a completely unexpected surprise."
"The CEO's unexpected resignation led to a sharp drop in the company's stock price."