Questions & Answers about ما باید این موش را بکشیم چون بیش از حد بزرگ است.
How does بیش از حد work with the adjective in this sentence?
The phrase بیش از حد literally translates to "more than the limit." In this sentence, it is placed immediately before the adjective بزرگ (big) to mean "too big" or "excessively big." It acts just like an adverb modifying the adjective to express excess.
Why does the verb بکشیم start with the بـ prefix?
It is in the subjunctive form because it follows the word باید (must) earlier in the sentence. In Farsi, verbs following modal words like باید must take the subjunctive mood, which is usually formed by adding the بـ prefix to the present stem.
Why is را used immediately after این موش?
The word را is the specific direct object marker. Since the sentence talks about killing a specific mouse (identified by این, meaning "this"), Farsi grammar requires را to show exactly who or what is receiving the action of the verb.
Does چون just mean "because"?
Yes, چون is a very common and slightly informal word for "because." It connects the two clauses of the sentence smoothly. You might also see زیرا or چرا که in formal writing, but چون is the most natural choice for everyday sentences like this one.