A hot dog is one of the most popular American foods. It was named after frankfurter, a German food. You may hear "hot dog" (16) in other ways. People sometimes say "hot dog" to express (17) . For example (例如), a friend may ask (18) you would like go to the cinema. You might say, "Great! I would love to go." Or, you could say, " (19) ! I would love to go." People (20) use the expression to describe (描写) someone who is a "Show-off", who tries to show everyone else how (21) he is. You often hear such (22) called a "hot dog". He may be a baseball player for example, who (23) the ball with one hand, making a(n) (24) catch seen more difficult. You know he is a hot dog because when he makes such a catch, he bows (鞠躬) to the crowd, hoping to win their (25) .