Cách sử dụng
When someone says "deal somebody/something a blow," they mean that something has caused a lot of harm or damage to someone or something. It is usually used to describe a negative situation, like when someone loses a job or gets hurt in an accident. For example, you could say, "The pandemic has dealt a huge blow to the economy," meaning that it has caused a lot of damage to businesses and people's finances. It's a way of expressing how much something has hurt or damaged someone or something.