1. 不愿意的；不情愿的；不乐意的
    If you are unwilling to do something, you do not want to do it and will not agree to do it.

    e.g. Initially the government was unwilling to accept the defeat...
           最初政府不愿意承认失败。
    e.g. For months I had been either unwilling or unable to go through with it.
           数月来，我一直不是不愿意就是没办法做这件事。

2. 不愿意的；勉强的
    You can use unwilling to describe someone who does not really want to do the thing they are doing.

unwilling的近义词

    e.g. A youthful teacher, he finds himself an unwilling participant in school politics...
           作为一名年轻教师，他发现自己并不情愿地参与到了学校的权力争斗中。
    e.g. She was certainly an unwilling victim of circumstances.
           她成为情势的牺牲品绝对不是自己愿意的。