cock-and-bull story
US /ˌkɑk.ənˈbʊl ˈstɔː.ri/
UK /ˌkɑk.ənˈbʊl ˈstɔː.ri/

1.
荒誕故事, 胡編亂造的故事, 天方夜譚
a story that is obviously not true, especially one told as an excuse
:
•
Don't give me that cock-and-bull story about why you're late.
別給我講你遲到的那套荒誕故事。
•
His excuse was a complete cock-and-bull story.
他的藉口完全是荒誕故事。