未击中（某物）
弄糟（某事）（duff 的现在分词）

Duff \Duff\ (d[u^]f), v. t. [imp. & p. p. {Duffed}; p. pr. & vb.
n. {Duffing}.] [Etym. uncertain.] [Colloq. or Slang]
1. To treat or manipulate so as to give a specious appearance
to; to fake; hence, to cheat.
[Webster 1913 Suppl.]

2. In Australia, to alter the brands on (cattle, horses,
etc.); to steal (cattle, etc.), and alter their brands.
[Webster 1913 Suppl.]