相关单词同义词inerrable, 近义词 safe 安全的, tight 紧的, resistant 抵抗的, secure 安全的, guaranteed 保证的, infallible 绝无错误的, fail-safe 自动防故障装置..., perfect 完美的, sure-fire 一定成功的, 一定能达到..., goof-proof 避免犯错误, goofproof 确保 ... 不出差错..., unfailing 永恒的临近词foot, foolish, foolproofness, foolproof design, foolproof system, foolproof camera, foolproof guardian, foolproof apparatus, foolproof verification, foolproof interconnection, foolproof security foolproof, Foolproof Identification System相似词fool's paradise, foolery, foolhardy, foolish, foolscap, foosball, foot, foot fault, 返回 foolproof