1. He who rides a tiger is afraid to dismount. 

2. A straight foot is not afraid of a crooked shoe. 

3. He who is afraid of asking is ashamed of learning. 

4. We were afraid he might relapse into a coma.

5. I want someone afraid of losing me.

6. Courage is being afraid but going on anyhow.

7. I was afraid the sickness had sapped my strength.

7. Sentencedict.com is a sentence dictionary, on which you can find good sentences for a large number of words.

8. I want someone who's afraid of losing me.

9. I'm afraid I'm busy tonight.

10. I'm afraid we're not making much progress .

11. I'm afraid the position is open to abuse.

12. She did not seem at all afraid.

13. Bill's not afraid to express his opinions.

14. There's no need to be afraid.

15. I am afraid I can't help you.

16. I'm afraid this is the only suitcase I possess.

17. I'm afraid I've got urgent business now.

18. 'I wouldn't be afraid,' she boasted.

19. I'm afraid I have the wrong number.

20. 'I'm afraid not,' he said regretfully.

21. None of us is afraid of difficulties.

22. 'Failed again, I'm afraid.' 'Oh, hard luck.

23. Animals are usually afraid of fire.

24. I am afraid I cannot cope with this.

25. I'm afraid I'm no weather prophet.

26. He whispered to me that he was afraid.

27. In this world there is always danger for those who are afraid of it. 

28. He that has [hath] been bitten by a serpent, is afraid of a rope. 

29. We hope to grow old, yet we fear old age; that is, we are willing to live, and afraid to die. 

30. The dog that has been beaten with a stick is afraid of its shadow.