1. Are you familiar with this?
2. She looked around for a familiar face.
3. The meeting is scheduled to commence at noon.
4. Let the party commence.
5. It gets immune to virus.
6. This was an ambush.
7. Sounds like an ambush.
8. Your symptoms are concerning.
9. Are you experiencing any other symptoms?
10. She uses her charm to manipulate people.
11. Annihilate them all.
12. Are you willing to vouch for him?
13. I'll vouch for her.
14. Most of the butterflies perish in the first frosts of autumn.
15. The plants are tolerant of frost.
16. The car windows were covered with frost.
17. Perish the thought.
18. Her face looked strained and weary.
19. She gave a strained laugh.
20. Our resources are strained to the utmost.
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