Cách sử dụng
The expression "hammer away at" means to repeatedly work hard at something, often in order to achieve a difficult task or goal. For example, if you're trying to learn a new language, you might "hammer away at" your vocabulary by studying every day.This expression is typically used in a work or study context, but can also apply to any situation where someone is putting in a lot of effort to achieve something. It can also have a negative connotation if someone is "hammering away at" something without making progress or using ineffective methods.