Cách sử dụng
"When you 'turn your back on somebody/something', it means you are intentionally ignoring them or neglecting them. For example, if your friend needs your help and you ignore their calls and messages, you are 'turning your back on them'. Or if you stop supporting a team or a cause, you are 'turning your back on it'. This expression is used to describe situations where someone is being disregarded or abandoned."