Mój podpis wygląda dziś inaczej niż zwykle, bo trochę się spieszę.

Because podpis is a masculine singular noun in Polish, and mój has to agree with it in gender, number, and case.

Here, podpis is the subject of the sentence, so it is in the nominative singular:

• mój = masculine singular
• moja = feminine singular
• moje = neuter singular or non-masculine-personal plural

So:

• mój podpis = my signature

Wygląda is the 3rd person singular present tense of wyglądać, which means to look / to appear.

It matches podpis because podpis is singular:

• podpis wygląda = the signature looks

Polish uses wyglądać very naturally for appearance:

• Wygląda dobrze = It looks good
• Wygląda inaczej = It looks different

So Mój podpis wygląda... is a normal way to say that someone’s signature has a certain appearance.

Because inaczej is an adverb, and with verbs like wyglądać Polish often uses an adverb where English might use an adjective.

So:

• wygląda inaczej = looks different
• literally, something like looks differently

By contrast, inny is an adjective meaning different / another, and it usually describes a noun directly:

• To jest inny podpis = This is a different signature

So in this sentence:

• wygląda inaczej is the natural choice.

Niż means than, and zwykle means usually / as usual.

Together, inaczej niż zwykle means:

• differently than usual
• more natural English: different from usual or different than usual

This is a comparison:

• inaczej = differently
• niż zwykle = than usual

Similar patterns:

• lepiej niż wczoraj = better than yesterday
• gorzej niż zwykle = worse than usual

Here zwykle is an adverb meaning usually or as usual.

In the phrase niż zwykle, it has the sense of than usual:

• Wygląda inaczej niż zwykle = It looks different than usual

You will also see zwykle used on its own:

• Zwykle wstaję o siódmej = I usually get up at seven

So the word keeps the idea of usualness / normally.

Both mean today.

• dziś is a bit shorter and slightly more compact in style
• dzisiaj is equally common and completely natural

So you could also say:

• Mój podpis wygląda dzisiaj inaczej niż zwykle...

Both are correct. In everyday Polish, both forms are very common.

Yes. Bo means because, and it is very common in everyday spoken and written Polish.

• bo = neutral, common, conversational
• ponieważ = also because, but usually a bit more formal or written

So:

• ..., bo trochę się spieszę. = very natural
• ..., ponieważ trochę się spieszę. = also correct, just slightly more formal

In casual speech, bo is usually the more natural choice.

The verb is spieszyć się, which means to be in a hurry or to hurry.

The się is part of the verb. It is not really translated as myself here. So you should learn it as a whole unit:

• spieszyć się = to be in a hurry

Examples:

• Spieszę się = I’m in a hurry
• Czy spieszysz się? = Are you in a hurry?

Without się, the meaning changes or becomes unnatural in this context. So for learners, the safest approach is to memorize spieszyć się as one reflexive verb.

Yes, Polish word order is flexible, and all of these are possible, but they can sound slightly different in rhythm or emphasis.

In this sentence:

• trochę się spieszę sounds very natural

Other possibilities:

• trochę spieszę się = possible, but a little less natural to many speakers
• spieszę się trochę = also natural, with a little placed later

A useful rule is that się often appears early in the clause, but not always in exactly the same place. Polish allows movement for style, emphasis, and flow.

So:

• bo trochę się spieszę = excellent, natural wording

Because Polish usually drops subject pronouns when the verb ending already shows who the subject is.

Spieszę clearly means I am in a hurry, because the ending -ę marks 1st person singular.

So:

• spieszę = I hurry / I am in a hurry
• ja spieszę się is possible, but ja is usually added only for emphasis or contrast

For example:

• Ja się spieszę, ale on nie. = I’m in a hurry, but he isn’t.

Without special emphasis, Polish normally leaves ja out.

Yes. Polish word order is more flexible than English because grammatical roles are shown more by endings than by position.

The original sentence:

• Mój podpis wygląda dziś inaczej niż zwykle, bo trochę się spieszę.

Possible variations:

• Dziś mój podpis wygląda inaczej niż zwykle, bo trochę się spieszę.
• Mój podpis dziś wygląda inaczej niż zwykle, bo trochę się spieszę.

These all mean basically the same thing, but the emphasis shifts a little:

• putting dziś earlier highlights today
• keeping mój podpis first makes the signature the topic right away

So the original version is natural, but it is not the only correct order.

Usually yes, but trochę can be interpreted a bit loosely.

It most often means:

• a little
• somewhat
• kind of

So trochę się spieszę can sound like:

• I’m a bit in a hurry
• I’m somewhat rushed
• I’m kind of in a hurry

It slightly softens the statement. It sounds less absolute than just:

• spieszę się = I’m in a hurry

Yes, that would be understandable and grammatically correct, but it is not exactly the same in tone.

• Mój podpis wygląda dziś inaczej niż zwykle focuses on how the signature looks
• Mój podpis jest dziś inny niż zwykle sounds more like my signature is different today

The version with wygląda inaczej is especially natural when talking about visual appearance. Since a signature is something you look at, wygląda inaczej fits very well.