1 The system is pretty well foolproof.

2 The system is not 100 per cent foolproof.

3 We're trying to work out a way to make the system foolproof.

4 I don't believe there's any such thing as a foolproof scheme for making money.

5 This new video-recorder is supposed to be foolproof.

6 No system can ever be completely foolproof.

7 He tried to devise a foolproof plan for getting rid of termites.

8 I spent the day working out a foolproof plan to save him.

9 Condoms aren't a foolproof method of preventing pregnancy.

10 If these huts were strongly constructed, they made a foolproof prison for a flightless bird.

11 I like to cook recipes that foolproof, able to wait or take a moment to finish before serving.

12 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. Douglas Adams 

13 There is one foolproof way to rid yourself of this - take a cold shower.

14 First, no technology is foolproof, especially electronic technology; we still need very old-fashioned backup systems.

15 The form is simple and foolproof if you follow its wording and directions carefully.

16 A pasta book is a foolproof gift for anyone who cooks.

17 Even so, marriage is hardly a foolproof enforcer of monogamy.

18 The key, here, was not kept under a flowerpot or stone but in a more foolproof and elaborate hiding-place.

19 I thought this method was foolproof until four customer orders went missing.

20 Each article goes through a foolproof system of checking which ensures that there are no mistakes in the final text.

21 This is a fool-proof machine.

22 A human being in her real life setting, plus an inexpensive "fool-proof" automatic film camera. It's that simple. Simply, no more arguments about Art and Life.

23 The only real way to ensure fool-proof privacy protection is not placing data online in the first place.

24 But how fool-proof is this system and will his participant, believing in him and his predictions, risk her life-savings on one more race?

25 What it doesn't have is a completely fool-proof way to figure out which of the maintained states it is using should be associated with a given query.

26 The results with strips are not as dramatic as with teeth whitening kits, but the strips are easy to use and pretty much fool-proof.

27 That is true despite the popular impression that such methods of combat provide fool-proof ways of subduing an opponent without personal risk.

28 Even paying a third party to host your application isn't fool-proof: what happens if the app's popularity skyrockets and it suddenly gets a lot of hits?

29 Mike : Well, you better go and explain that to them because they think the reason you took off is because you found some fool-proof way to cheat.

30 The advantage of Isofix is that it is simple and fool-proof to operate and holds the child seat firmly in the vehicle.

31 But this approach certainly is not fool-proof and often leads to error.

32 After getting burned once or twice for failing to cover some base, they develop a fool-proof routine to prevent that from happening again, then swear their eternal allegiance to it.

33 One way to deal with this problem is to develop fool-proof policies that are easy to implement and explain.