careful thought about something, especially when this is done in a very serious way that you find annoying or not helpful

There is no chin-stroking among this jazz audience, just simple enjoyment of the music. 在这些爵士乐观众中，没人故作深沉，只有直截了当的音乐享受。

We observed an older man's pensive chin-stroking as he looked at the exhibit. 我们看到一位老人一边观看展览一边扶颏思考。

thinking very carefully and seriously about something, especially in a way that is annoying or not helpful because you are trying to impress people with your knowledge

Our response to the artwork is joyful and instinctive, rather than a solemn, chin-stroking inspection. 我们对艺术品的反应是喜悦和本能的，而不是严肃的、拿腔作势的检视。

He has an inclination towards chin-stroking self-importance. 他有一种自负自大的倾向。