off base

off base  {adj. phr.},  {informal}
Не согласующийся с фактами; ошибочный.
The idea that touching a toad causes warts is off base.
When Tom said that the teacher's explanation did not agree with the book, the teacher was embarrassed at being caught off base.
Категории: {adj. phr.} {informal}

'off base' on video