[weapons] 锋,刀口;镝,箭头。泛指兵器
销锋镝,铸以为金人十二,以弱天下之民。--汉. 贾谊《过秦论》
它意味着你必须改换方式在试锋镝。
It does mean you have to do something in a different way .
青裳不沾雨露湿,锋镝依旧灿如花。
The rain can 't wet my clothes , and my sword still shining like stars ;