当被问及考试结果时，他只是闪烁其词，不肯直接回答。

When asked about the exam results, he kept ___prevaricating instead of giving a clear response.

当被问及具体计划时，经理开始支支吾吾地回避问题。

When asked about the specific plan, the manager started ___prevaricating to avoid giving a direct answer.