This kind of foolproof camera is selling well in the market.

这种傻瓜型相机在市场上销量火爆。

He had a foolproof strategy to make sure the smooth implementation of the plan.

他已经找到了一个万全之策来确保计划的顺利实施。

There is no foolproof method to guarantee your success.

没有万无一失的方法能保证你成功。

This new DVD player is supposed to be foolproof.

这个新的DVD播放机应该是操作简便的

The treatment will be tried out on human beings only after it has been shown to be safe and foolproof in animals.

该疗法只有在动物身上证明安全、万无一失后才会在人体上试用。

The system is not 100 per cent foolproof.

该系统不是百分之百不出毛病的。

This recipe is foolproof—it works every time.

这个食谱绝对管用，每次都万无一失。

However, the system isn't foolproof.

不过，系统并非万无一失。

No system can be fully foolproof.

没有哪个系统是万全的。