Cách sử dụng
The expression "on your mettle" means to be ready to do your best or perform well under challenging or competitive circumstances. It can be used in various contexts, such as sports, academics, or work. For example, if someone is told to be "on their mettle" before a job interview, it means they should be prepared to answer tough questions and present themselves in the best possible way to impress the interviewer. Similarly, if a team is told to be "on their mettle" before a big game, it means they need to be mentally and physically ready to compete at their best level. It's a way of encouraging someone to give their best effort and perform to the best of their ability.