chunk

noun
C1+
1
C1+
a thick, solid piece that has been cut or broken off something
تکه, قطعه
2
C1+
a fairly large amount of something
مقدار زیاد, مقدار قابل توجه
I've already written a fair chunk of the article.
This one project has taken a substantial chunk of our budget.
3
a phrase or group of words that can be learnt as a unit by somebody who is learning a language. Examples of chunks are ‘Can I have the bill, please?’ and ‘Pleased to meet you’.
عبارت, واحد زبانی, ترکیب زبانی, دسته واژگان, گروه کلمات
The listening texts consist of short, bite-sized chunks which are accessible to beginners.