1. 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。
2. If you are considering a supplement, read the list of ingredients, she says, although this is not always foolproof. 她说,如果你正在考虑服用补充剂,请阅读成分清单,但这并不总是万无一失的。
3. The system is not 100 per cent foolproof. 该系统不是百分之百不出毛病的。
4. This recipe is foolproof—it works every time. 这个食谱绝对管用,每次都万无一失。
5. However, the system isn't foolproof. 不过,系统并非万无一失。