当我请求帮助时，我的同事出乎意料地不愿帮忙。

My colleague was surprisingly ___unhelpful when I asked for assistance.

店里的员工非常不愿提供帮助，甚至不知道去哪里找这个产品。

The staff at the store were quite ___unhelpful and didn't know where to find the product.

我致电客服，但那位客服人员态度敷衍，不愿提供帮助。

I called customer service, but the agent was dismissive and ___unhelpful.