Pronunciation: [nˌɒt mˈʌt͡ʃ lˈʊk at] (IPA) 
The phrase "not much look at" is often used to describe something or someone that is unimpressive. In terms of spelling, each word is spelled as it sounds in English. The IPA phonetic transcription for "not" is /nɑt/, "much" is /mʌtʃ/, "look" is /lʊk/, and "at" is /æt/. While English spelling can be tricky, this phrase is straightforward and can be easily understood and pronounced by native English speakers.
"Not much to look at" is an idiomatic expression used to describe something or someone that lacks aesthetic appeal or visual attractiveness. The phrase suggests that the subject being referred to does not possess qualities or features that are visually impressive or eye-catching.
When used to describe an object, for example, it suggests that it may appear plain, unassuming, or ordinary in appearance. This could refer to anything from a painting or sculpture to a room or building. Similarly, when applied to a person, it implies that they do not possess particularly striking physical qualities.
The phrase does not necessarily imply anything negative about the quality or usefulness of the referred subject beyond its visual appeal. It mainly focuses on the superficial characteristics that meet the eye. For instance, a book may not be much to look at, meaning it lacks an attractive cover, but it could still contain valuable content.
Overall, "not much to look at" is a subjective statement that is often used in casual conversation to express a lack of visual appeal. It reflects a personal opinion and should not be understood as an objective evaluation of the overall worth or value of the subject being referred to.
