out to lunch
US /aʊt tə lʌntʃ/
UK /aʊt tə lʌntʃ/

成语
1.
心不在焉, 疯疯癫癫, 古怪
not paying attention; crazy or eccentric
示例:
•
He seems a bit out to lunch today, not really following the conversation.
他今天似乎有点心不在焉,没怎么跟上谈话。
•
Her ideas are so out to lunch that nobody takes them seriously.
她的想法太离谱了,没人当真。
在 Lingoland 学习这个单词