3 sentences

1. ‪别那么消极！

   ‪ bié nà​me xiāo​jí!

   Don't be so negative!

   Source: OpenSubtitles

2. 你应该多看事物好的一面，不要总是这么消极。

   nǐ yīng​gāi duō kàn shì​wù hǎo de yī​miàn, bù yào zǒng​shì zhè​me xiāo​jí.

   You should look on the bright side and not be so negative.

   Source: Dong Chinese Dictionary

3. 他这种消极怠工的行为严重影响了项目进度。

   tā zhè zhǒng xiāo​jí dài​gōng de xíng​wéi yán​zhòng yǐng​xiǎng le xiàng​mù jìn​dù.

   His passive-aggressive behavior at work has seriously affected the project's progress.

   Source: Dong Chinese Dictionary