0 unable to go wrong -- hết sức rõ ràng
His new plan seems completely foolproof.
However, very few people have a foolproof insurance policy.
Such gates are by no means foolproof, and if a careless driver goes across the device too quickly he will break down the gate.
It will surely have to come as soon as some foolproof method can be perfected.
Yet such steps were hardly foolproof.
As with contextual abstraction, however, morphological analysis is not a foolproof strategy for learning new words, as there are many instances where morphemes express unexpected meanings.
Such methods provide reasonable guesses at function, but are far from foolproof.
However, there is no simple, foolproof method of assessing lipid peroxidation.
It may be foolproof, but it is also unimaginative.
