5 sentences

1. 这样做未免太不近人情了。

   zhè​yàng zuò wèi​miǎn tài bù​jìn​rén​qíng le.

   Doing this is a bit too cold and unreasonable.

   Source: Dong Chinese Dictionary

2. 这种排场对他来说，未免也太奢了。

   zhè zhǒng pái​chang duì tā lái shuō, wèi​miǎn yě tài shē le.

   This kind of ostentation is perhaps a bit too extravagant for him.

   Source: Dong Chinese Dictionary

3. 仅凭第一印象就对他下结论，未免太武断了。

   jǐn píng dì​yī yìn​xiàng jiù duì tā xià​jié​lùn, wèi​miǎn tài wǔ​duàn le.

   It is too arbitrary to draw a conclusion about him based solely on first impressions.

   Source: Dong Chinese Dictionary

4. 这么一点小事你都要生气，未免也太小气了。

   zhè​me yī​diǎn xiǎo​shì nǐ dōu yào shēng​qì, wèi​miǎn yě tài xiǎo​qì le.

   It is a bit too petty to get angry over such a trivial matter.

   Source: Dong Chinese Dictionary

5. 第一次在这么多观众面前演讲，我未免感到紧张。

   dì​yī cì zài zhè​me duō guān​zhòng miàn​qián yǎn​jiǎng, wǒ wèi​miǎn gǎn​dào jǐn​zhāng.

   Giving a speech in front of such a large audience for the first time, I couldn't help but feel a bit nervous.

   Source: Dong Chinese Dictionary