Tớ suýt dùng nút bấm.

Tớ is an informal way to say I / me. It is used with friends, classmates, siblings, or other people of similar age and social status.

A few notes:

• It sounds casual and friendly.
• It is not appropriate in formal situations.
• It is often paired with cậu for you in friendly speech.

So Tớ suýt dùng nút bấm sounds like something you would say to a friend, not in a business meeting.

Suýt means almost / nearly.

In this sentence, suýt + verb means the action almost happened, but did not happen.

So:

• Tớ suýt dùng nút bấm = I almost used the button
• The usual implication is: I did not actually use it

This is one of the most important things to remember about suýt: it strongly suggests a near event that did not occur.

Because Vietnamese does not use an infinitive marker like English to.

In English:

• I want to go
• I almost used

In Vietnamese, you usually just put verbs directly after words like suýt, muốn, thích, etc.

So:

• suýt dùng = almost use / almost used

That is completely normal Vietnamese structure.

Nút bấm means button, especially a push-button or a button on a device/control panel.

Breakdown:

• nút = button
• bấm = press

Together, nút bấm is a noun meaning something like push-button.

Depending on context, Vietnamese speakers may also just say:

• nút
• cái nút

So nút bấm is understandable and fairly clear, especially when you want to emphasize that it is a pressable button.

Dùng nút bấm is grammatical if you really mean use the button.

However, if the intended meaning is specifically press the button, Vietnamese speakers would more naturally say:

• Tớ suýt bấm nút
• Tớ suýt nhấn nút

That is because:

• dùng = use
• bấm / nhấn = press

So the sentence as written means I almost used the button, not necessarily I almost pressed the button.
If you want the physical act of pressing, bấm or nhấn is better.

This follows a very common Vietnamese pattern:

subject + adverb + verb + object

Here:

• Tớ = subject
• suýt = adverb
• dùng = verb
• nút bấm = object

So literally it is:

• I + almost + use + button

Vietnamese word order is often quite straightforward in sentences like this.

Yes, it often does.

Vietnamese does not mark tense the same way English does. There is no required past-tense ending like used. Instead, time is usually understood from:

• context
• time words
• aspect markers such as đã, đang, sẽ

With suýt, the idea often feels like a completed near-event in the past:

• I almost did it

So even without đã, the sentence can naturally be understood as past, depending on context.

Yes. Vietnamese also commonly uses:

• suýt nữa
• suýt nữa thì

For example:

• Tớ suýt nữa dùng nút bấm
• Tớ suýt nữa thì dùng nút bấm

These versions can sound a bit more conversational or emphatic, like:

• I very nearly used the button
• I almost ended up using the button

But suýt dùng nút bấm is still correct.

Often, yes.

Vietnamese frequently drops the subject when it is already clear from context. So in conversation, you might hear:

• Suýt dùng nút bấm.

This can still mean:

• I almost used the button
• or (someone) almost used the button

The exact subject depends on context.
If you want to be clear, keep tớ.

Vietnamese does not use articles like English a/an/the in the same way.

So nút bấm can mean:

• a button
• the button

Context tells you which one is meant.

If you want to be more specific, Vietnamese can add words such as:

• một nút bấm = a button
• cái nút bấm đó = that button
• nút bấm này = this button

But leaving articles out is completely normal.

Both can mean use, but they differ in style.

• dùng = more common, everyday, natural in speech
• sử dụng = more formal, more written, more official

So:

• Tớ suýt dùng nút bấm sounds casual and natural
• Tớ suýt sử dụng nút bấm sounds more formal and less conversational

In a sentence with tớ, dùng is the better fit stylistically.