a)British EnglishBrE informalFAIL if a person, plan, or system comes unstuck, they fail at what they were trying to achieve 〔人、计划、系统〕彻底失败
a dangerous area of rock where many climbers come unstuck
许多攀登者在此止步的危险岩石地带
b)SEPARATEif something comes unstuck, it becomes separated from the thing that it was stuck to 脱落;松开
Examples from the Corpus
come unstuck• This week, however, they came unstuck.• Another day we nearly came unstuckaltogether.• Where I really came unstuckarguing with von Kranksch was on the subject of crystals.• But even that achievement is now in danger of coming unstuck, as Larry Elliott points out on page 12.• Because many skiersrely on skidding, they come unstuck in deepsnow.• Billy says that he first came unstuck in time in 1944, long before his trip to Tralfamadore.• He told about having come unstuck in time.• The layers of secrecy have come unstuck with time.
Examples from the Corpus
unstuck• A bit too ambitious, that lad, he'd like to see me come unstuck.• I think he'd tried to make a certainbirdie but he'd really come unstuck.• Take this with you in the car on the day and you shouldn't come unstuck.• The expensive, complexhybrid will come unstuck.• Another day we nearly came unstuckaltogether.• Because many skiersrely on skidding, they come unstuck in deepsnow.• However, everyone comes unstuck once in a while, especially when caught unawares.