Die opstanding is belangrik.

Yes. Die is the Afrikaans definite article, so here it means the.

A useful thing to know is that Afrikaans uses die for:

• singular definite nouns: die man = the man
• plural definite nouns: die mans = the men

So in this sentence, Die opstanding means the resurrection.

No. In Afrikaans, die is usually pronounced roughly like dee.

So:

• Afrikaans die = dee
• English die = different vowel sound

This is a very common point of confusion for English speakers.

It is capitalized only because it is the first word of the sentence.

Afrikaans does not capitalize articles in the middle of a sentence. So you would write:

• Die opstanding is belangrik.
• Ek onthou die opstanding.

In the second example, die is lowercase because it is not at the beginning.

Opstanding is a noun.

In this sentence, it is the subject of the sentence:

• Die opstanding = subject
• is = verb
• belangrik = complement/adjective

So the sentence structure is very similar to English:
The resurrection is important.

Yes, it may look a little familiar because Afrikaans and English are both Germanic languages.

Opstanding is historically built from elements meaning something like standing up / rising up:

• op = up
• standing = related to standing

But in normal usage, opstanding means resurrection, not just standing up in an ordinary physical sense.

Because Afrikaans and English are related languages, some very common words look the same.

Here, is is simply the present-tense form of to be, just like English is.

So:

• Die opstanding is belangrik.
• The resurrection is important.

This is one of the easiest parts of the sentence for English speakers.

In this sentence, belangrik comes after is, so it is being used predicatively: it describes the subject after a linking verb.

In Afrikaans, adjectives used this way usually do not change form:

• Die boek is interessant.
• Die lesse is interessant.
• Die opstanding is belangrik.

So belangrik stays the same.

Belangrik means important.

It is related to belang, which means importance, interest, or concern depending on context.

So:

• belang = importance / interest
• belangrik = important

This makes it a useful word to learn early.

Yes. This sentence uses a very straightforward word order:

• Die opstanding = subject
• is = verb
• belangrik = adjective/complement

So it follows the pattern:

Subject + verb + complement

That is exactly the same basic pattern as English The resurrection is important.

No. Afrikaans does not use grammatical gender the way some other European languages do.

So die does not mean:

• masculine the
• feminine the
• neuter the

It is just the general definite article.

That makes Afrikaans simpler than languages like German or Dutch in this area.

Usually, Die opstanding is belangrik sounds more natural if you mean the resurrection as a specific concept or event.

Leaving out the article can sometimes happen in special styles, headings, or very general statements, but in ordinary standard prose this sentence is most naturally said with die.

So for a learner, the safest version is:

• Die opstanding is belangrik.

A rough English-friendly guide would be:

• opstanding ≈ op-STAN-ding
• belangrik ≈ buh-LUNG-rik or beh-LUNG-rik

A few tips:

• g in Afrikaans is not like English g in go; it is usually a harsher throat sound.
• The r is usually trilled or tapped more than in most English accents.
• Stress often falls clearly in the middle part of these words.

These guides are only approximate, but they are enough to help you start recognizing the words.

Yes, absolutely.

It has everything needed for a complete statement:

• a subject: Die opstanding
• a verb: is
• a description/complement: belangrik

So it is a full, natural Afrikaans sentence.