unprepared
🇺🇸
/ˌʌnprɪˈperd/
🇬🇧
/ˌʌnprɪˈpeəd/
not having made necessary preparations or arrangements
He was unprepared for the interview and couldn't answer the questions.
他对面试毫无准备,无法回答问题。
not having the necessary knowledge, skills, or resources to do something
The team was unprepared for the challenges they faced.
团队对他们面临的挑战毫无准备。