reluctant

unwilling, reluctant

这两个形容词均有“不情愿的，不愿意的”之意。
unwilling: 语气强烈，指有力的否定、拒绝。也可指被牵涉于非本意之事。
reluctant: 指做不赞同的，不很乐意的或害怕的事，有时也指坚决反对某事。

形容词 reluctant:

1. unwillingness to do something contrary to your custom
   同义词：loath, loth
2. unwilling to become involved
3. not eager

1. He's reluctant to begin, but when he does you should see him go into action.
   他不愿意开始，但他一旦开始了，你就会看到他干得十分卖力。
2. I was reluctant to do over the stitching in the dress.
   我不愿意把衣服上的线脚拆了重缝。
3. He gave a reluctant promise.
   他勉强答应下来了。
4. They were very reluctant to help.
   他们不大愿意帮忙。

re.luc.tant

adj.（形容词）
Unwilling; disinclined:
不情愿的；不愿意的：
例句：
reluctant to help.
不情愿帮忙

Exhibiting or marked by unwillingness:
勉强的：显示出或标志着不情愿的：
例句：
a reluctant smile.
勉强的微笑

Offering resistance; opposing.
阻挠的；顽抗的

来源：
Latin reluct3ns reluctant- [present participle of] reluct3ro [to reluct] * see reluct
拉丁语 reluct3ns reluctant- [] reluct3ro的现在分词 [不同意，不愿意] *参见 reluct

【引伸】
reluc.tantly
adv.（副词）