The phrase "knows backwards and forwards" means to know something thoroughly or completely. The spelling of this phrase follows English orthography rules, with the main exception being the consonant cluster at the end of "forwards." In IPA phonetic transcription, the pronunciation of "forwards" is /ˈfɔrwərdz/. The voiced "z" sound indicates the plural marking on the noun "forward." Overall, this phrase is a common idiom in English, and its spelling and pronunciation have become standardized over time.
The phrase "knows backwards and forwards" is often used figuratively to describe a person's deep understanding, familiarity, or mastery of a specific subject or task. It suggests that the individual possesses an extensive knowledge that encompasses every aspect or detail of the matter at hand.
To "know backwards and forwards" implies a comprehensive grasp of the subject matter in both its entirety and its intricacies. It suggests that the person has thoroughly studied, practiced, or experienced the subject, leaving no stone unturned or detail unexplored. The phrase conveys a level of expertise that enables the individual to navigate through any challenge, question, or scenario related to the topic effortlessly.
This idiomatic expression demonstrates not just a surface-level familiarity or awareness, but a profound level of comprehension, allowing the person to effortlessly recall, explain, and apply their knowledge. It implies a level of expertise that comes from extensive study, countless hours of practice, or immense experience.
Overall, "knowing backwards and forwards" denotes a deep, comprehensive understanding of a subject in its entirety, affirming the person's expertise and ability to handle any situation pertaining to that subject matter.