opportunity only knocks once|opportunity only knock once in English
there are no second chances, one must take a chance when it is possible because they won't get another chance
Use "opportunity only knocks once|opportunity only knock once" in a sentence
1. Opportunity knocks.
2. Opportunity seldom knocks twice.
3. You can't abandon me whenever opportunity knocks.
4. Opportunity never knocks twice at any man's door.
5. It was an opportunity that comes once in a blue moon.
6. The DNA must replicate completely, once and only once.
7. Why is this once, only once in without you.
8. And this is the knock of that opportunity.
9. 19 It was an opportunity that comes once in a blue moon.
10. 2 Opportunity never knocks twice at any man's door.
11. Check Sycoca database only once
12. I only dated her once.
13. 9 The DNA must replicate completely, once and only once.
14. 25 There'll be plenty of opportunity for relaxing once the work is done.
15. 30 This was an unusual situation, an opportunity to be candid for once.
16. 26 Trouble is only opportunity in work clothes.
17. Boils can happen only once or …
18. This competition Chinese army once had also had the good opportunity, but by error.
19. Fortune knocks once at least at every man's gate.
20. I Alluded to the accident only once.
21. A man can only die once.
22. Every App Password is only used once.
23. Listen to us, if only this once.
24. Enjoy the disco you're only young once.
25. American Bullfrogs only breed once a year