He made some perfunctory remarks at the meeting.

他在会上讲了些不痛不痒的话。

《新英汉大辞典》

His senior colleagues at Harvard—some able, more of them drab—sent him a letter urging him to stay; it said the right things, but was perhaps a little perfunctory.

他在哈佛的资深同事――一些有才干的，个性乏味的更多――给他写了一封信，力劝他留下来；信上罗列让他留下来的原因是正确的，但可能有点敷衍了事。

youdao

This week there was some chuntering about the pace at which the Bill was being pushed through, and about what some peers saw as the rather perfunctory references to the Military Covenant.

BBC: Viewing guide: The coming week's highlights in Parliament