Saya menyekat kad itu segera.

Saya means I or me, depending on the sentence.

In Saya menyekat kad itu segera, it is the subject, so it means I.

Malay does not change the form the way English does with I / me, so the same word can appear in different roles:

• Saya datang. = I came.
• Dia nampak saya. = He/She saw me.

Sekat is the basic root word, meaning block, stop, or obstruct.

Menyekat is the active verb form made from that root. The prefix meN- is commonly added to roots to form active verbs.

Here:

• root: sekat
• active form: menyekat

This is a very common pattern in Malay. In many sentences, if you want to say that someone actively does the action, you use a meN- verb.

This happens because of how the meN- prefix changes shape depending on the first sound of the root.

With roots beginning with s, the s often disappears and the prefix becomes meny-.

So:

• sekat → menyekat

This is a regular sound-change pattern in Malay. For example:

• sapu → menyapu
• susun → menyusun

So menyekat is exactly what you would expect from sekat.

Kad itu literally means that card, but depending on context it can also be understood as the card.

In Malay, demonstratives like ini (this) and itu (that) normally come after the noun, not before it.

So:

• kad itu = that card / the card
• kad ini = this card

This is different from English word order:

• English: that card
• Malay: kad itu

Not always in a strict English sense.

Itu often literally means that, but in real Malay it can also function a bit like the, especially when referring to something already known in the conversation.

So kad itu could mean:

• that card
• the card

Which translation fits best depends on context.

Segera means immediately, at once, or promptly.

In this sentence, it comes at the end:

• Saya menyekat kad itu segera.

That is understandable, but many learners will also see or hear:

• Saya segera menyekat kad itu.

Both are possible. Placing segera before the verb often sounds a bit more natural.

You may also see:

• Saya menyekat kad itu dengan segera.

That version is slightly more formal.

Yes, it is understandable and grammatical, but some speakers might prefer a slightly different word order.

More natural alternatives might be:

• Saya segera menyekat kad itu.
• Saya terus menyekat kad itu.
• Saya menyekat kad itu dengan segera.

Also, if the context is a bank card or payment card, speakers may be more specific and say:

• Saya menyekat kad bank itu.
• Saya menyekat kad debit itu.

So your sentence is fine, but context may lead to a more natural or more specific version.

Malay verbs usually do not change form for tense the way English verbs do.

So menyekat by itself does not tell you whether the action is:

• present: I block / am blocking
• past: I blocked
• future: I will block

The time is usually understood from:

• context
• time words
• other markers

For example:

• Semalam saya menyekat kad itu. = Yesterday I blocked that card.
• Sekarang saya menyekat kad itu. = Now I am blocking that card.
• Esok saya akan menyekat kad itu. = Tomorrow I will block that card.

So without extra context, the sentence is tense-neutral.

Sometimes, yes, if the context already makes it obvious who is acting.

For example, in conversation, a speaker might simply say:

• Segera menyekat kad itu.
• Menyekat kad itu segera.

But in a full, clear sentence, especially for learners, keeping saya is very normal and helpful:

• Saya menyekat kad itu segera.

Malay often allows subjects to be omitted more easily than English does, but whether that sounds natural depends on context.

Yes. Saya is polite and neutral, and it is a very safe choice.

Depending on the situation, a speaker might use:

• aku = I in informal or close situations
• their own name
• no subject at all, if context is clear

For example:

• Aku segera menyekat kad itu.
  This is more casual than Saya segera menyekat kad itu.

For most learners, saya is the best form to use unless you specifically want a more informal tone.