a.

1. 空的；未占用的；无人居住的
   The streets were almost empty.

   街上几乎空无一人。

2. 无，没有，缺少[F][（+of）]
   His words are empty of sincerity.

   他的话没有诚意。

3. 空洞的，无意义的；徒劳的
   He didn't want to retire and lead an empty life.

   他不想退休过空虚的生活。

vt.

1. 使成为空的[（+out）][（+of）]
   The police made the thief empty out his pocket.

   警察让小偷把口袋中的东西全部掏出来。

   He emptied out all his pockets onto the table.

   他将所有口袋里的东西都拿出来放在桌子上。

2. 倒，倒空[O]
   They emptied the bottle of XO.

   他们把那瓶XO喝完了。

3. 使流入

vi.

1. 成为空的；流空
2. （江，河等）流入[（+into）]

adj.

1. containing nothing; not filled or occupied.
   ▸Mathematics  (of a set) containing no members or elements.
2. (of words or a gesture) lacking sincerity.
3. having no value or purpose.

v.

1. make or become empty.
   ▸discharge (the contents) from a container.
2. (of a river) discharge itself into the sea or a lake.

n.