Translation:The book is not stylish.
I am guessing the consonants are puzzling to you. The Alphabet 2 lesson's Tips are Notes are critically helpful in this respect: https://www.duolingo.com/skill/ko/Alphabet-2/tips-and-notes.
So, the final consonant ㅅ in 멋 actually gets the sound for ㄷ (d).
The letter pair ㅄ in 없 simply sounds like ㅂ (b/p).
And due to assimilation, the final consonant ㅂ in 습 simplifies to ㅁ, because it is followed by a nasal ㄴ.
I believe the rest are straightforward. I hope this helps.
I don't understand why "The book is bad" is incorrect because it basically means the same as the correct answer, right? Kind of?
A bad book can still be interesting or "cool". saying "the book is bad" would imply the execution was poor. Story/how it was written. Saying it's "not cool" or "uninteresting" would imply it's boring. Those subtleties are why people argue over books like twilight and encyclopedias lol
I wrote "Books are not interesting" and it's telling me the answer is wrong because I didn't use the. So it says the answer is THE books are not interesting and I don't understand. Especially on other questions when it marks me wrong for saying pencil instead of pencils? How am I supposed to know single vs plural? Why does the THE need to be included?
i believe 은/는 are topic markers, and 은 is used for singularity and 는 is used for plural (correct me if im wrong lolol). 이/가 are usually singular as they are subject markers (사과이-the apple)
the sentence makes sense to add "the" as it defined 사과 with 이
(extra info: 이/가 is used when something is mentioned first and 은/는 is used to indicate what you have told)
Every language has that though. In English we have plenty of words that require context. Most Homonyms are spelled differently but you'll find plenty of entries in a dictionary with multiple definitions. Like “hold" which can be used for a handle, a fortress, the lower level of a ship/boat, to grasp or even to control as in "the ghost took hold of the medium".
Although I'm pretty sure pencil and book are not the same, but I'm still learning so idk if there are other words for the same thing that could sound the same.