If you are unwilling to do something, you do not want to do it and will not agree to do it.
Initially the government was unwilling to accept the defeat.
最初,政府不愿意接受失败。
You can use unwilling to describe someone who does not really want to do the thing they are doing.
A youthful teacher, he finds himself an unwilling participant in school politics.
作为一位青年教师,他发现自己很不情愿地卷入了学校的权术之争。