(Britain, idiomatic) To spoil, break or render ineffective (a rule, plan or agreement).

simple past tense and past participle of change horses in mid-stream

Third-person singular simple present indicative form of change horses in mid-stream

present participle of change horses in mid-stream

Alternative form of change horses in midstream

You can show someone how to do something, but you can't make them do it.

A response to someone wishing for something, conveying that merely wishing for something has no effect or is of no use.

Alternative form of if wishes were horses, beggars would ride

(medicine, informal) When diagnosing a patient's symptoms, common ailments should be considered as more probable than rare ones.

Alternative form of you can lead a horse to water, but you can't make it drink