Lịch của tôi tuần này khá bận, nhưng tối mai tôi sẽ rảnh để gặp bạn.

Lịch của tôi means my schedule or my calendar.

• lịch = schedule, calendar
• của = of
• tôi = I / me

So literally, it is the schedule of me, which Vietnamese uses to express possession.

Vietnamese often forms possession with:

noun + của + person

For example:

• xe của tôi = my car
• nhà của bạn = your house
• lịch của tôi = my schedule

In casual speech, của is sometimes omitted in some expressions, but here lịch của tôi is very natural and clear.

Yes. In Vietnamese, just like in English, a schedule can be described as busy.

So:

• Tôi bận = I am busy
• Lịch của tôi bận = My schedule is busy

In this sentence, Lịch của tôi tuần này khá bận sounds a little like My schedule is pretty full this week, which is very natural.

It emphasizes that your time is occupied, rather than just your personal state.

Tuần này means this week.

• tuần = week
• này = this

Vietnamese often does not need prepositions like in when expressing time.

So:

• tuần này = this week
• hôm nay = today
• ngày mai = tomorrow
• tối mai = tomorrow evening

This is very normal in Vietnamese. Time expressions often appear directly in the sentence without a preposition.

Not exactly.

• bận = busy
• khá bận = quite busy / fairly busy / pretty busy
• rất bận = very busy

Khá makes the sentence softer and less extreme than rất. It suggests:

• you are definitely busy,
• but not necessarily impossibly busy.

So khá bận is often a polite, natural way to say you have a lot going on without sounding too dramatic.

Nhưng means but.

It connects the two ideas:

• Lịch của tôi tuần này khá bận = My schedule is pretty busy this week
• nhưng tối mai tôi sẽ rảnh để gặp bạn = but tomorrow evening I’ll be free to meet you

So it creates a contrast: I’m busy, but there is one time when I’m free.

Tối mai usually means tomorrow evening or tomorrow night.

• tối = evening / night
• mai = tomorrow

The exact English translation depends on context. In many cases, tomorrow evening is the best choice, especially if you are talking about meeting someone.

Related time words:

• sáng mai = tomorrow morning
• chiều mai = tomorrow afternoon
• tối mai = tomorrow evening/night

Sẽ is a future marker. It often means will.

So:

• tôi sẽ rảnh = I will be free

Because tối mai already shows future time, sometimes Vietnamese speakers can omit sẽ and still be understood:

• Tối mai tôi rảnh để gặp bạn

That is also natural. But using sẽ makes the future meaning clearer and a little more explicit.

Rảnh means free, in the sense of not busy or available.

So:

• Tôi rảnh = I’m free
• Khi nào bạn rảnh? = When are you free?

Compared with similar expressions:

• trống = empty / open / unoccupied
  
  • often used for schedules, tables, seats, rooms, time slots
• có thời gian = have time
  
  • slightly more literal: to have time

Examples:

• Tối mai tôi rảnh. = I’m free tomorrow evening.
• Lịch tôi tối mai còn trống. = My schedule is still open tomorrow evening.
• Tối mai tôi có thời gian gặp bạn. = I have time to meet you tomorrow evening.

In your sentence, rảnh is the most natural choice.

Để here means in order to or simply to.

So:

• để gặp bạn = to meet you

It shows purpose:

• tôi sẽ rảnh để gặp bạn = I will be free so that I can meet you / I’ll be free to meet you

In many cases, để is used before a verb to show intention or purpose.

Examples:

• Tôi học tiếng Việt để nói chuyện với bạn bè. = I study Vietnamese to talk with friends.
• Tôi đến sớm để gặp cô ấy. = I came early to meet her.

Vietnamese word order is often fairly similar to English, but time expressions are very flexible and commonly appear early in the sentence.

Here is the structure:

• Lịch của tôi = my schedule
• tuần này = this week
• khá bận = quite busy

So literally: My schedule this week quite busy

And:

• nhưng = but
• tối mai = tomorrow evening
• tôi = I
• sẽ rảnh = will be free
• để gặp bạn = to meet you

Literally: but tomorrow evening I will be free to meet you

Vietnamese often puts time expressions like tuần này and tối mai near the beginning for clarity.

Not always. They are correct, neutral, and safe, but Vietnamese pronouns depend a lot on relationship, age, and social context.

In this sentence:

• tôi = I (neutral, polite)
• bạn = you (neutral, friendly)

This works well in a textbook or general conversation. But in real life, people might use other pronouns such as:

• mình
• tớ / cậu
• anh / em
• chị / em

For example, between friends:

• Lịch của mình tuần này khá bận, nhưng tối mai mình sẽ rảnh để gặp cậu.

That sounds more intimate and casual.

Yes. The original sentence is correct and natural, but Vietnamese has several natural alternatives depending on tone.

Some possibilities:

• Tuần này lịch của tôi khá bận, nhưng tối mai tôi sẽ rảnh để gặp bạn.
  This just moves tuần này earlier. Also very natural.

• Tuần này tôi khá bận, nhưng tối mai tôi rảnh gặp bạn được.
  More conversational: I’m pretty busy this week, but tomorrow evening I’m free and can meet you.

• Lịch tuần này của tôi khá kín, nhưng tối mai tôi rảnh.
  khá kín means something like pretty packed/full.

The original sentence is polite and clear, so it is a very good standard model.

Yes. The sentence sounds polite and considerate for a few reasons:

• khá bận is softer than rất bận
• nhưng introduces a helpful alternative
• sẽ rảnh để gặp bạn shows willingness to make time for the other person

So instead of sounding like a rejection, it sounds like: I’m busy, but I still want to meet you and here is a time that works.

That makes it socially smooth and friendly.