When this happens, it's up to both of you to maintain a polite and professional demeanor.

如果这种事情发生，你们双方都应持有一种礼貌而有修养的风度。

youdao

Treat the internship as you would any other job. Take your assignments seriously, even when it seems that you're doing busywork. Maintain a professional attitude and demeanor.

认真对待你的实习工作。即使你的工作都是些琐事，你也要严肃认真地对待，体现你的职业态度和素养。

youdao

Maintaining a friendly but professional demeanor can be important to in audit or tax dispute.

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Stand your ground and talk through the anger or sadness that is showing through your professional demeanor.

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As I caught his eye when he frisked my outstretched arms, he whispered to me while maintaining his professional demeanor.

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