You must be courteous to all visitors, of whatever age.

不论访客的年纪，你都必须对他们有礼。

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Be courteous to your fellow employees as you would be to a guest.

对待同事员工要像对待客人那样有礼貌。

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Be courteous to others and when first being introduced shake his or hand firmly.

第一次接待别人时要非常端庄，有力地握手。

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She also said he must be courteous to witnesses and not get personal with them.

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Khamenei himself met with Rouhol-Amini's father, Abdol-Hossein, on Sunday and vowed that "the system has no intention to forgive or be courteous to any wrongdoers, " IRNA reported.

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If you talk to the police, be respectful, polite, and courteous.

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