Question 1

What does 하지만 mean here, and how is it used?

Accepted Answer

하지만 means “but” or “however.” It’s a conjunction placed at the beginning of a sentence to introduce a contrast or exception to what was said before. Compared to 그런데, 하지만 sounds a bit stronger or more emphatic, but both are interchangeable in many contexts.

Question 2

Why is 오늘은 marked with -은? Could it be 오늘는?

Accepted Answer

Korean has two topic markers: -은 after a consonant, -는 after a vowel. Since 오늘 ends in the consonant ㄹ, you attach -은, giving 오늘은 (“as for today”). There is no 오늘는; you must use 오늘은.

Question 3

What’s the function of -이라 in 주말이라? Could I use another ending?

Accepted Answer

Here -이라 is a contraction of -이어서 or -이니까, meaning “because it’s the weekend.” It links the noun 주말 to the reason clause. Alternatives include:  
 • 주말이어서 예약을 취소 못 해요.  
 • 주말이니까 예약을 취소 못 해요.  
All three convey the same “since it’s the weekend.”

Question 4

Why is it 예약을 취소 못 해요 rather than 못 취소해요 or 취소를 못 해요?

Accepted Answer

The base verb is 취소하다 (to cancel). Grammatically you can treat 취소 as a noun and 하다 as the verb:  
   예약을 (object) + 취소 (noun) + 못 하다 (to not do).  
Thus 취소 못 해요 places 못 before 해요, not before 취소. That said, spoken Korean often shifts 못:  
   예약을 못 취소해요.  
Both are understood and commonly used.

Question 5

What’s the difference between 못 해요 and 안 해요?

Accepted Answer

• 못 해요 = “cannot do” (lack of ability or circumstance prevents it).  
• 안 해요 = “do not (choose to) do” (voluntary decision).  
In this sentence, you’re saying you’re unable to cancel (e.g., system is closed), so 못 해요 is correct.

Question 6

Why not use 취소할 수 없어요 with 수? Which is better?

Accepted Answer

취소할 수 없어요 literally means “cannot be able to cancel” and is more formal/explicit. 취소 못 해요 is shorter and more colloquial. Both are correct; choose -수 없다 for formal writing or if you want to emphasize inability, and 못 하다 for everyday speech.

Question 7

Can you omit 하지만? If so, how does that change the nuance?

Accepted Answer

Yes. If there’s no contrasting statement before, you can simply say:  
   오늘은 주말이라 예약을 취소 못 해요.  
Omitting 하지만 removes the explicit “but/however” contrast. It becomes a straightforward explanation rather than a counterpoint to something previously stated.

Question 8

Is 주말이라 too informal? Should I write 주말이어서 in a business email?

Accepted Answer

In a formal context or writing (e.g., business email), -이어서 or -이니까 sound more polished:  
   오늘은 주말이어서 예약을 취소할 수 없습니다.  
Using -라 is fine in spoken or casual/polite conversation but less common in very formal writing.

hajiman oneureun jumarira yeyageul chwiso mos haeyo.

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