如何使用 "empty" 造句

1. Life is but an empty dream !
人生不过空梦一场!
2. Right now these spacious halls are absolutely empty .
现在这些宽敞的大厅空荡荡的。
3. Inside the empty envelope propped up against a cup .
紧靠在杯子旁的那个空空的信封里面。
4. But that may be an empty threat .
但这可能是个空洞的威胁。
5. Logistics managers say they negotiate deeper discounts every week on ships that are leaving half empty .
后勤部经理说,他们每个星期协定的船运量严重减少,有一半是空的。