| 单词 | foolproof |
| 例句 | foolproof adjective •a foolproof security system:infallible, dependable, reliable, trustworthy, certain, sure, guaranteed, safe, sound, tried and tested | watertight, airtight, flawless, perfect | informal sure-fire, idiot-proof, goof-proof | formal efficacious. ANT flawed. |
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英语同义词词典收录了14896条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。