1 general:: Phrase(s): Don’t speak too soon. I think you may be wrong. Don’t speak before you know the facts. (Compare this with Don’t be too sure.) • Bill: It looks like it’ll be a nice day. Mary: Don’t speak too soon. I just felt a raindrop. • Tom: It looks like we made it home without any problems. Bill: Don’t speak too soon, there’s a cop behind us in the driveway.
McGrawhill's American Idioms And Phrasal Verbs