1、空的;無人的(adj.)
an empty house/street
空屋／空無一人的街道
Shall I take the empty bottles for recycling?
我把這些空瓶子拿去回收吧？
The train was empty (= there were no passengers) by the time it reached London.
火車到達倫敦的時候，車內已經沒有乘客了。

2、無誠意的;空洞的;無意義的
empty threats/rhetoric
虛張聲勢的威脅／虛誇之詞
They're just empty promises.
這些承諾只不過是些空頭支票。

3、空虛的；無目標的，無意義的；百無聊賴的
He says his life has been completely empty since his wife died.
他說自從妻子去世後他的生活就完全失去了意義。
I felt empty, like a part of me had died.
我感到空虛，就像自己的一部分已經死去。

4、倒空，騰空；傾倒 v.
I emptied the closet and put my belongings into the black overnight case.
我把衣櫥清空，把我的東西放進那個外出過夜用的黑色旅行袋裡。
Would you mind emptying (out) your pockets?
你把口袋掏空好不好？
Empty the soup into a saucepan and simmer gently for ten minutes.
把湯都倒進燉鍋中，慢火燉十分鐘。
She quickly emptied her glass (= drank its contents) and ordered another drink.
她一飲而盡，然後又叫了一杯。

5、to become empty 變空
The place emptied pretty quickly when the fight started.
戰鬥爆發後，這個地方很快就沒人了。

6、空瓶子（等容器）n.
Don't forget to recycle the empties.
不要忘了回收空瓶子。