He was very polite, a little shy, with glasses, wearing a suit.

他非常有礼貌，有些腼腆，戴着眼镜，穿着一身套装。

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He carried messages for them. He brought them their programs with a polite bow.

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it's more indirect, more polite and a little bit less abrasive perhaps.

这样来得更委婉、有礼貌，也相对不会伤人感情。

Would you please 课堂 - SpeakingMax英语口语达人

You will say it in a polite way. In a way that doesn't put people off or upset them.

这样你会以一种更礼貌的方式来提起一个话题。这样的说法不会引起人们的不快或气愤。

I'd better 课堂 - SpeakingMax英语口语达人

It would seem obvious that a new building should offer something more challenging than a polite bow to a distinguished past.

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But the king, knowing this is a polite way of phrasing a republican ambition, will not.

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Lately, when I tell stories of folks who have built great things over the course of a long career, or who have had remarkable success in a second (or third) career later in life, the reaction is often polite and a little bored.

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