chunk of change

chunk of change とは大金のこと。 0;23 it's a big chunk of change that college students spend on their textbooks. who knows it's the second largest expense?

Can Renting Textbooks Help Bring College Costs Down?
https://www.youtube.com/watch?v=k3psHdjXuYA  14;14 I have probably given my parents above $20,000. decent chunk of change for a 22 year old. 22歳の若造にしてはまとまった金額。
Kitchen Nightmares S03E13 Sushi Ko Part1
https://www.youtube.com/watch?v=IhDBWeyCoy8  2:19 it's unclear how much more he had to pay in taxes. but we're talking about a significant chunk of change.

参考リンク
http://bridge-english.blogspot.jp/2012/05/blog-post_26.html  かなりのお金を英語でなんと言うか？

練習問題解答
b-5118 quite a chunk of change