The phrase "blows hot air" means to speak with enthusiasm but without substance. Its spelling, in IPA phonetic transcription, is: /bləʊz hɒt ɛə/ (bl-oh-z h-ot air). The 'ow' sound in 'blows' is pronounced as a diphthong, while the 'h' in 'hot' is aspirated. The 'ae' in 'air' makes a schwa sound, and the 'r' at the end is pronounced in a British English accent. Knowing the phonetic transcription of a word can help with accurate pronunciation and understanding its meaning.
The phrase "blows hot air" is an idiomatic expression used to describe someone who talks excessively but fails to follow through or deliver any tangible results or substance. This expression is derived from the metaphorical concept of blowing air, where hot air is known to be empty and insubstantial.
When someone is said to "blow hot air," it means that they engage in verbose and often self-aggrandizing speeches or promises, without actually taking any genuine actions to support their claims or accomplish their goals. These individuals may use fancy words or impressive rhetoric to create an illusion of competence or expertise, but their words ultimately lack substance. Such individuals often make exaggerated claims or grandiose promises, but lack the ability or motivation to fulfill them.
The phrase is commonly used in various contexts, such as politics, business, or personal relationships, to describe individuals who excel in talking about their plans or intentions, but fail to deliver on them. It refers to the empty nature of their words, which, similar to hot air, dissipate without leaving any trace of effect or impact.
In summary, "blows hot air" is an idiomatic expression that describes individuals who extensively speak or make empty promises without backing them up with meaningful actions or results. It emphasizes the lack of substance in their words, despite their attempts to appear knowledgeable or effective.