v.施粪肥于…( muck的现在分词 );
例句:
They are mucking the apple trees.
他们正在给苹果树施粪肥.
Stop mucking about and listen to what I'm saying.
不要再瞎混了,听我说吧.
" What's he up to? " -- " Oh, just mucking about. "
“ 他在做什么? ” -- “ 哦, 不过是在混日子而已. ”