importunate

那位纠缠不休的推销员在我家门口站了整整一个小时。

The ___importunate salesman stood at my door for a whole hour.

面对纠缠不休的请求，她最终只好勉强答应了。

Faced with ___importunate demands, she finally gave in reluctantly.

他纠缠不休的追问让整个会议室的气氛变得十分尴尬。

His ___importunate questioning made the atmosphere in the meeting room awkward.