1. red-pencilled
	Something that have been censored
	Что-то под цензурой

2. be in the red
	To be in a dept or without any money source
	Быть в долгах или без какого-либо источника денег

3. red-letter day

4. to see red

5. red carpet treatment

6. red-handed

7. red rag

8. red tape

9. beet red https://www.englishclub.com/vocabulary/idioms-colour.php

10. red eye

11. red herring https://www.englishlessonviaskype.com/18-colour-idioms-in-english/#elementor-toc__heading-anchor-10

12. to paint the town red http://kuzina.me/blog/2013/10/22/%d0%b0%d0%bd%d0%b3%d0%bb%d0%b8%d0%b9%d1%81%d0%ba%d0%b8%d0%b5-%d0%b8%d0%b4%d0%b8%d0%be%d0%bc%d1%8b-%d1%81%d0%be-%d1%81%d0%bb%d0%be%d0%b2%d0%be%d0%bc-red/

13. to be shown the red card https://www.myenglishteacher.eu/blog/colour-idioms-list-and-their-meanings/

14. a red flag

15. blood red

16. red hot

17. to see the red light

reserved: https://idioms.thefreedictionary.com/red