The phrase "show once and for all" is commonly used to emphasize the need for conclusive evidence or proof. The spelling of the word "show" is [ʃoʊ], with the "sh" sound being a voiceless postalveolar fricative and the "ow" sound being a diphthong consisting of the vowels [o] and [ʊ]. The phrase "once and for all" is spelled with the "o" sound [ɒ] and the "a" sound [ɔː]. Understanding the IPA phonetic transcription can help with proper pronunciation and spelling of English words.
"Show once and for all" is an idiomatic expression that refers to a decisive or conclusive demonstration of a fact, an argument, or a person's abilities, intended to settle a matter definitively and eliminate any doubts or uncertainty. It implies the intention to prove something beyond any reasonable doubt or to put an end to a debate or dispute.
This phrase suggests the desire to present undeniable evidence or a convincing display of competence in order to settle an ongoing issue or to establish a conclusive outcome. It often implies a sense of finality, emphasizing the intent to leave no room for further discussion or doubt.
The expression can be used in various contexts, for example, in a scientific experiment, the aim might be to show once and for all the validity of a hypothesis by providing conclusive empirical evidence. In a debate or argument, someone might use this phrase to assert their position with great confidence, intending to silence opposing views definitively.
Overall, "show once and for all" describes a determined effort to establish a clear and unquestionable resolution to a matter, often through persuasive evidence, justifiable facts, or indisputable actions.