1862, "trackless," from clue (n.) + -less. Meaning "ignorant, uninformed" is from 1943, said to be RAF slang from 1930s. Student slang use by 1985 is perhaps an independent extension along the same line. Related: Cluelessly; cluelessness.
实用例句
1. We have found some drivers clueless as to the law.
我们发现有些司机对这一法规一无所知。
来自柯林斯例句
2. He's completely clueless about computers.
他对计算机一窍不通。
来自《权威词典》
3. I came into adult life clueless about a lot of things that most people take for granted.
我已成年，却对许多大部分人认为理所当然的事情一窍不通。
来自柯林斯例句
4. Comic master Steve Martin stars as the clueless detective in The Pink Panther.
喜剧大师史提夫?马丁在《粉红豹》中饰演一位无厘头的侦探.
来自常春藤生活英语杂志-2006年2月号
5. She was clueless about how to treat cystic fibrosis.
