Breakdown of nendo no seikei wa muzukashii.
Questions & Answers about nendo no seikei wa muzukashii.
It is read:
ねんど の せいけい は むずかしい。
- 粘土 = ねんど
- 成形 = せいけい
- 難しい = むずかしい
So the whole sentence is:
ねんど の せいけい は むずかしい。
It is read:
ねんど の せいけい は むずかしい。
So the whole sentence is:
ねんど の せいけい は むずかしい。

は marks 粘土の成形 as the topic:
This gives the sentence a general, topic-comment structure.
If you used が, the sentence would sound more like you are identifying that specific thing as what is difficult:
Both are possible, but は feels more like a general statement or description of the topic.
Because this is in the plain form:
Japanese i-adjectives like 難しい can end a sentence by themselves.
If you want to make it more polite, you add です:
Both mean the same thing, but the level of politeness is different.
Grammatically, 難しい is an i-adjective.
In Japanese, i-adjectives can function as the predicate of a sentence, so they can behave a bit like English verbs such as is difficult.
That is why:
is a complete sentence, even without a separate word for is.
成形 means forming, shaping, or molding something into a shape.
It is often used in:
So it can sound a bit more technical or formal than a simpler everyday phrasing.
For example, in casual speech someone might say something more like:
But 粘土の成形は難しい is perfectly natural, especially in an instructional, technical, or written context.
Yes, absolutely.
Both are natural, but the structure is different.
This is more noun-based and a bit more formal or technical.
This is more verb-based and may feel more straightforward to learners:
So the original sentence packages the action into the noun 成形.
In this sentence, 難しい clearly means difficult.
Depending on context, 難しい can also mean things like:
For example, it can sometimes mean sensitive or not easy to handle in a broader sense.
But here, with 粘土の成形, the natural reading is simply:
It is a plain non-past sentence.
Japanese non-past often covers:
Here it sounds like a general statement:
It is not specifically about one single moment unless the context makes it so.
Yes, it sounds natural, especially in written, instructional, or somewhat technical Japanese.
It could appear in contexts like:
In everyday conversation, people might choose a slightly less technical wording, but the original sentence is still correct and natural.