4 sentences

1. 卫兵队长似乎对您失礼了。

   wèi​bīng duì​zhǎng sì​hū duì nín shī​lǐ le.

   It seems the guard captain was rude to you.

   Source: OpenSubtitles

2. ‎你知道那样说有多失礼吗？

   ‎ nǐ zhī​dào nà​yàng shuō yǒu duō shī​lǐ ma?

   Do you know how rude it is to say that?

   Source: OpenSubtitles

3. 他在长辈面前表现得非常失礼。

   tā zài zhǎng​bèi miàn​qián biǎo​xiàn de fēi​cháng shī​lǐ.

   He behaved very rudely in front of his elders.

   Source: Dong Chinese Dictionary

4. 他在正式宴会上醉酒失态，表现得非常失礼。

   tā zài zhèng​shì yàn​huì shàng zuì​jiǔ shī​tài, biǎo​xiàn de fēi​cháng shī​lǐ.

   He lost his composure while drunk at a formal banquet and behaved very rudely.

   Source: Dong Chinese Dictionary