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there's many a slip twixt cup and lip
Even something that one feels confident will succeed can have disastrous problems before it concludes. "Twixt" is a shortening of "betwixt," itself an archaic form of "between." Everything seems to be going smoothly, but there's many a slip twixt cup and lip, so don't lose focus until we're over the finish line.
A contraction form of "betwixt," an archaic word for "between." It can be used with or without an apostrophe before it. I'm twixt and between about going back to school. I got a great scholarship offer, but I don't know that I want to juggle schoolwork and a full-time job.
There's many a slip 'twixt the cup and the lip
. Prov. Many things may happen to prevent you from carrying out what you intend to do. Bob: Now that I have a contract with a publisher, nothing in the world can stop me from writing this book. Alan: Don't be so sure. There's many a slip 'twixt the cup and the lip.
there is many a slip twixt cup and lipLITERARY
If you say there is many a slip twixt cup and lip, you mean that plans often go wrong before they are completed so you cannot be sure of what will happen. The building is due for completion in September, but as they say, there's many a slip twixt cup and lip. Note: People sometimes just say there's many a slip, or change the second half of the expression. But there's many a slip twixt now and the eight or nine months it will take the company to design and reopen a new café. Note: `Twixt' is an old-fashioned word meaning `between'.