walkwithheaddown.down是副词么,副词可以修饰形容词么这里为什么这么用,

Question

walk with head down.
down是副词么,副词可以修饰形容词么
这里为什么这么用,

Answer 1

这是with结构,with+n.+adj./adv./现在分词/过去分词/不定式/介词短语
如：He stared at me with his mouth open.
He stood there with his hand in his pocket.
with结构可以表示伴随,原因,条件.还可作定语.