unprepared
adjective uk/ˌʌn.prɪˈpeəd/ us/ˌʌn.prɪˈperd/
没有准备的;措手不及的
not prepared; not ready
He was completely/totally/wholly unprepared for what he saw. 他对眼前的场面毫无准备。
The extreme cold weather caught them unprepared. 极端寒冷的天气让他们措手不及。
Opposite: prepared
Compare: unready