Cách sử dụng
"Not for want/lack of trying" is an expression used when someone has put a lot of effort into something, but still didn't succeed. It means that despite their efforts, they were not able to achieve their goal. It can be used in various situations, such as when someone fails a test despite studying hard, or when someone doesn't get a job despite applying to many places. It is a way to acknowledge someone's efforts while recognizing that the outcome was not successful.