If you are reluctant to do something, you are unwilling to do it and hesitate before doing it, or do it slowly and without enthusiasm.
双语例句
例： Mr Spero was reluctant to ask for help.
斯珀洛先生不愿意寻求帮助。
例： The police are very reluctant to get involved in this sort of thing.
警方非常不愿卷入这种事情。