the occasional friendly chat

[suprunp]

Maybe they could have been good friends. For a ten-year-old boy and girl to become good friends was not easy under any circumstances. Indeed, it might be one of the most difficult accomplishments in the world. But while they ought to have managed the occasional friendly chat, such an opportunity never presented itself to Tengo and Aomame.
(H. Murakami; 1Q84)

Would you be so kind to explain to me why it is "the" and not "an"?

Thanks.

[Tdol]

You could use an too.

[Raymott]

"they ought to have managed occasional friendly chats" is also possible.
The use of "the" here is common. It has no special significance though, that I'm aware of. You'll see the occasional variant like this if you read enough.

[emsr2d2]

I can't think of a reason for it but it's certainly very common.

- Do you have a healthy diet?
- Most of the time, yes. I have the occasional hamburger and fries but mostly I eat salad.

- Does your car run well?
- Yes, it's great. It has the occasional blip and won't start in the mornings but generally it's fine.

- Do you see your brother often?
- Not often, but we have the occasional meetup in town.

[TheParser]

NOT A TEACHER


(1) May I add my two cents to this fascinating discussion?

(2) I think that we are often taught that the definite article is often

used for something that is expected or assumed; the indefinite article is often used to express a more

abstract concept.

(3) The text says "While they ought to [ expectation?] have managed THE occasional friendly chat,

such ...." Maybe "an" would have been too abstract.

(4) I have also heard that a noun phrase that begins with "the" takes longer for the reader to

process in his mind than a noun phrase that begins with "a" or "an." Maybe the author also took that

into consideration. Maybe it is my imagination, but "the occasional friendly chat" seems more emphatic

than "an occasional friendly chat." (The word "the" does seem to force us to pay more attention to

"occasional friendly chat" than the word "an" would do.)