Pronunciation: [ɪz tˈʌf] (IPA) 
The spelling of the word "is tough" can be a bit tricky for English language learners. In phonetic transcription, "is" is pronounced as /ɪz/, with a short "i" sound and a "z" sound at the end. "Tough" is pronounced as /tʌf/, with a short "u" sound and a "f" sound at the end. The presence of the double "f" in "tough" can throw off spellers. Remembering the pronunciation through phonetic transcription can help improve spelling accuracy.
"Is tough" is an idiomatic expression commonly used to describe a situation, task, or individual that is challenging, difficult, or demanding. It implies that the subject or situation being referred to presents obstacles, requires a considerable amount of effort, determination, and resilience to overcome, or is generally formidable in nature.
When describing a situation, "is tough" indicates that it poses significant difficulties or hardships. This can refer to physical conditions, mental challenges, or unfavorable circumstances that may impede progress or success. For example, surviving in harsh weather conditions or dealing with a highly competitive job market can be described as tough.
When referring to a task, "is tough" suggests that it requires a high level of skill, effort, or expertise to accomplish successfully. This can include complex problem-solving, mastering technical skills, or excelling in a highly demanding field. For instance, tackling a complex mathematical equation or playing a musical instrument proficiently might be considered tough.
When describing an individual, "is tough" implies that the person possesses exceptional determination, resilience, or strength in facing adversity or challenges. This can be used to describe someone who endures hardships, overcomes obstacles, or accomplishes difficult goals despite unfavorable circumstances. For example, an athlete who demonstrates exceptional physical fitness and mental strength in highly competitive sports can be considered tough.
Overall, "is tough" is a versatile expression used to convey the notion of difficulty, complexity, or resilience in relation to a situation, task, or individual.
The phrase "is tough" is not a single word with an independent etymology. However, the word "tough" has an interesting origins. "Tough" can be traced back to the Old English word "toh" or "tohg", which meant "difficult" or "hard". This word further evolved into "tough" in Middle English, retaining its original meaning. The exact origin of the Old English word is uncertain, but it has been suggested that it might have derived from an Old Norse term "tókr", meaning "strong" or "having the capacity to endure". Over time, "tough" has come to depict resilience, durability, and the ability to withstand hardship or endure challenging situations. The phrase "is tough" simply refers to something being difficult, demanding, or challenging.
