sharpshooter (n.)youdaoicibaDictYouDict[sharpshooter 词源字典]
also sharp-shooter, 1800; see sharp (adj.) + shoot (v.). A translation of German Scharfschütze, from scharf (adj.) "sharp" + schütze "shooter," from schießen "to shoot." Related: Sharpshooting.[sharpshooter etymology, sharpshooter origin, 英语词源]