vt.

1. 表示……的意思；有……的意思
   "Ph. D." signifies "Doctor of Philosophy."

   “Ph. D.”意为“哲学博士”。

2. 表示；表明；示意[+that]
   He signified that he couldn't go with them.

   他表示他不能跟他们一起去。

   He signified his consent with a nod.

   他点头表示同意。

3. 意味着；预示
   A fever usually signifies that there is something wrong with the body.

   发烧通常意味着身体有点毛病。

vi.

1. （通常用于否定句或疑问句）有重要性；要紧
   What he says does not signify.

   他讲的话无关紧要。

2. 【美】【俚】冒充内行

v.

1. be an indication of.
2. be a symbol of; have as meaning.
3. (of a person) indicate or declare (a feeling or intention).
4. [with neg.] be of importance.
5. US informal (among black Americans) exchange boasts or insults as a game or ritual.