Cách sử dụng
"Not by a long chalk" is an expression used to say that something is not true or not finished yet. It means that there is still a long way to go or a lot of work to be done. For example, if someone asks if you are finished with your homework and you are not even close to being done, you could say "not by a long chalk" to indicate that you still have a lot of work to do. This expression is primarily used in British English.