This is the 7666th most frequent Chinese word.
这笔
"这笔" means "this sum" or "this amount" (often referring to money).
Refers to a specific transaction.
这笔交易非常重要。
This transaction is very important.
Refers to a specific amount of money.
我需要清点一下这笔钱。
I need to count this money.
Refers to a specific account or debt.