【明報專訊】Teddy seems to be demonstrating (示範) a modern expression. "Shhhhhh, don't speak so loud," he whispered. "Can't you see I'm doing a number on these guys?" Now I understand why he would like me to lower my voice, for to do a number on someone means to trick or deceive (欺騙) him or her. "I'm doing a number on these athletes," Teddy explained, "by confusing their identifications (身分證明) so their opponents ( 對 手 ) won't know which one is which!" I think Teddy should be careful! Those big guys might get mad and do a number on him!"