Cách sử dụng
The expression "beaver away" means to work very hard and persistently on something. It is often used when someone is engaged in a task that requires a lot of effort and concentration. The expression comes from the idea of a beaver working tirelessly to build a dam or a lodge. For example, you could say "I've been beavering away on my project all night" to convey that you've been working very hard on it. It's a casual expression that is often used in informal conversations to describe working hard.