أنا ضد هذا القرار.

A common MSA pronunciation is anā ḍidda hādhā al-qarār.

A few sound notes:

• أَنا = anā = I
• ض is an emphatic d sound
• ذ in هذا sounds like th in this
• ق in القرار is q, not an English k
• ال in القرار is pronounced clearly here, because ق is not a sun letter

Because Arabic usually omits the verb to be in the present tense.

So:

• أنا ضد هذا القرار literally looks like I against this decision
• but it means I am against this decision

This is completely normal in Arabic. If you wanted a past or future meaning, then Arabic would usually use a verb such as كان.

ضدّ means against or opposed to.

In beginner-friendly terms, you can safely learn it as a word used like this:

ضدّ + noun phrase = against ...

So:

• ضد هذا القرار = against this decision
• ضد الحرب = against war

Grammatically, Arabic scholars may analyze it in more than one way, but at your level the important thing is simply how to use it correctly.

Because القرار is a masculine singular noun.

In MSA, demonstratives must agree with the noun in gender and number:

• هذا = this for masculine singular
• هذه = this for feminine singular

So:

• هذا القرار = this decision
• but هذه السيارة = this car

Because Arabic demonstratives like هذا normally come before the noun in MSA.

So:

• هذا القرار = this decision

This is different from adjectives. Adjectives usually come after the noun:

• القرار الجديد = the new decision

So a useful contrast is:

• هذا القرار = this decision
• القرار الجديد = the new decision
• هذا القرار الجديد = this new decision

In Arabic, when a demonstrative modifies a noun, the noun is normally definite, so it usually takes الـ.

That is why Arabic says:

• هذا القرار literally something like
• this the-decision

This is just standard Arabic structure.

If you say هذا قرار, that usually means something more like this is a decision, not this decision.

It is a simple nominal sentence in MSA.

Breakdown:

• أنا = the subject, I
• ضد هذا القرار = the predicate, meaning against this decision

So the whole sentence is:

• أنا = I
• ضد = against
• هذا = this
• القرار = the decision

Word-for-word, it is very close to:

• I / against / this / the-decision

The main difference from English is that Arabic does not use am here.

Sometimes, yes, but it depends on context.

As a full neutral sentence, أنا ضد هذا القرار is clear and complete.

In conversation, if the subject is already obvious, someone might shorten it to:

• ضد هذا القرار meaning something like
• against this decision or
• I’m against this decision

But for learners, the full version with أنا is the safest and clearest.

Yes. A very natural alternative is:

أعارض هذا القرار = I oppose this decision

This is a verbal sentence, while أنا ضد هذا القرار is a nominal sentence.

The difference in feel is roughly:

• أنا ضد هذا القرار = I am against this decision
• أعارض هذا القرار = I oppose this decision

Both are correct and natural in MSA.

Usually not in normal reading and writing.

Most real-world Arabic text will simply write:

• أنا ضد هذا القرار

without short-vowel marks.

In fully vocalized textbook Arabic, you may see extra endings that reflect formal grammar, but beginners usually do not need to produce them in ordinary writing. The most important thing is to recognize the structure and meaning of the sentence correctly.